ANAPHY LAB > Reproductive System

Offspring

Primary Function: Produce _____

Gonads

Primary Sex Organs = _____

• Males: Testes

• Females: Ovaries

Testes

Primary Sex Organs = Gonads

• Males: _____

• Females: Ovaries

Ovaries

Primary Sex Organs = Gonads

• Males: Testes

• Females: _____

Gametes

Function of Gonads:

• Produce _____: Sperm (Males), Ova (Females)

• Secrete Sex Hormones:

  • Males: Androgens

  • Females: Estrogen and Progesterone

Sperm

Function of Gonads:

• Produce Gametes: _____ (Males), Ova (Females)

• Secrete Sex Hormones:

  • Males: Androgens

  • Females: Estrogen and Progesterone

Ova

Function of Gonads:

• Produce Gametes: Sperm (Males), _____ (Females)

• Secrete Sex Hormones:

  • Males: Androgens

  • Females: Estrogen and Progesterone

Sex Hormones

Function of Gonads:

• Produce Gametes: Sperm (Males), Ova (Females)

• Secrete _____:

  • Males: Androgens

  • Females: Estrogen and Progesterone

Androgens

Function of Gonads:

• Produce Gametes: Sperm (Males), Ova (Females)

• Secrete Sex Hormones:

  • Males: _____

  • Females: Estrogen and Progesterone

Estrogen and Progesterone

Function of Gonads:

• Produce Gametes: Sperm (Males), Ova (Females)

• Secrete Sex Hormones:

  • Males: Androgens

  • Females: _____

Sex Cells

Gametes = _____

Development and Function

Functions of Sex Hormones:

• _____ of reproductive organs

• Influence Sexual Behavior and Drives

• Support the Growth and Development of other organs and tissues

Sexual Behavior and Drives

Functions of Sex Hormones:

• Development and Function of reproductive organs

• Influence _____

• Support the Growth and Development of other organs and tissues

Growth and Development

Functions of Sex Hormones:

• Development and Function of reproductive organs

• Influence Sexual Behavior and Drives

• Support the _____ of other organs and tissues

Ducts

Accessory Reproductive Organs

• _____: Transport and store gametes

• Glands: Secrete fluids for reproduction

• External Genitalia: Facilitate sperm entry (males) or protect reproductive organs (females)

Glands

Accessory Reproductive Organs

• Ducts: Transport and store gametes

• _____: Secrete fluids for reproduction

• External Genitalia: Facilitate sperm entry (males) or protect reproductive organs (females)

External Genitalia

Accessory Reproductive Organs

• Ducts: Transport and store gametes

• Glands: Secrete fluids for reproduction

• _____: Facilitate sperm entry (males) or protect reproductive organs (females)

Testes

Male Reproductive System

• Gonads (_____):

  • Produce Sperm

  • Located within the Scrotum

Sperm

Male Reproductive System

• Gonads (Testes):

  • Produce _____

  • Located within the Scrotum

Scrotum

Male Reproductive System

• Gonads (Testes):

  • Produce Sperm

  • Located within the _____

Epididymis

Male Reproductive System

• Duct System:

  • Sperm are delivered through the…

    _____ > Ductus Deferens > Ejaculatory Duct > Urethra

Ductus Deferens

Male Reproductive System

• Duct System:

  • Sperm are delivered through the…

    Epididymis > _____ > Ejaculatory Duct > Urethra

Ejaculatory Duct

Male Reproductive System

• Duct System:

  • Sperm are delivered through the…

    Epididymis > Ductus Deferens > _____ > Urethra

Urethra

Male Reproductive System

• Duct System:

  • Sperm are delivered through the…

    Epididymis > Ductus Deferens > Ejaculatory Duct > _____

Accessory Sex Glands

Male Reproductive System

• _____: Seminal Vesicles, Prostate Gland, and Bulbourethral Glands

  • Secrete fluids during Ejaculation

Ejaculation

Male Reproductive System

• Accessory Sex Glands: Seminal Vesicles, Prostate Gland, and Bulbourethral Glands

  • Secrete fluids during _____

Sperm Cells

Male Reproductive System

• Production of _____

• Sustaining and Transfer of sperm to the female

• Production of Male Sex Hormones (Androgens)

Sustaining and Transfer

Male Reproductive System

• Production of Sperm Cells

• _____ of sperm to the female

• Production of Male Sex Hormones (Androgens)

Male Sex Hormones (Androgens)

Male Reproductive System

• Production of Sperm Cells

• Sustaining and Transfer of sperm to the female

• Production of _____

Testes

Male Reproductive System

• _____:

  • Produce sperm and male sex hormones (androgens)

  • Located in the scrotum

• Ducts:

  • Epididymis: Stores and matures sperm

  • Ductus Deferens: Transports sperm from the epididymis to the ejaculatory duct

  • Urethra: Passage for sperm and urine; transports sperm during ejaculation

• Accessory Glands:

  • Seminal Vesicles: Secrete fluid that nourishes and helps transport sperm

  • Prostate Gland: Produces fluid that helps sperm motility and neutralizes vaginal acidity

  • Bulbourethral Glands: Secrete lubricating fluid during sexual arousal

• Supporting Structures:

  • Scrotum: Holds and regulates the temperature of the testes

  • Penis: Delivers sperm into the female reproductive tract

These structures together make up the Male Genitalia

Epididymis

Male Reproductive System

• Testes:

  • Produce sperm and male sex hormones (androgens)

  • Located in the scrotum

• Ducts:

  • _____: Stores and matures sperm

  • Ductus Deferens: Transports sperm from the epididymis to the ejaculatory duct

  • Urethra: Passage for sperm and urine; transports sperm during ejaculation

• Accessory Glands:

  • Seminal Vesicles: Secrete fluid that nourishes and helps transport sperm

  • Prostate Gland: Produces fluid that helps sperm motility and neutralizes vaginal acidity

  • Bulbourethral Glands: Secrete lubricating fluid during sexual arousal

• Supporting Structures:

  • Scrotum: Holds and regulates the temperature of the testes

  • Penis: Delivers sperm into the female reproductive tract

These structures together make up the Male Genitalia

Ductus Deferens

Male Reproductive System

• Testes:

  • Produce sperm and male sex hormones (androgens)

  • Located in the scrotum

• Ducts:

  • Epididymis: Stores and matures sperm

  • _____: Transports sperm from the epididymis to the ejaculatory duct

  • Urethra: Passage for sperm and urine; transports sperm during ejaculation

• Accessory Glands:

  • Seminal Vesicles: Secrete fluid that nourishes and helps transport sperm

  • Prostate Gland: Produces fluid that helps sperm motility and neutralizes vaginal acidity

  • Bulbourethral Glands: Secrete lubricating fluid during sexual arousal

• Supporting Structures:

  • Scrotum: Holds and regulates the temperature of the testes

  • Penis: Delivers sperm into the female reproductive tract

These structures together make up the Male Genitalia

Urethra

Male Reproductive System

• Testes:

  • Produce sperm and male sex hormones (androgens)

  • Located in the scrotum

• Ducts:

  • Epididymis: Stores and matures sperm

  • Ductus Deferens: Transports sperm from the epididymis to the ejaculatory duct

  • _____: Passage for sperm and urine; transports sperm during ejaculation

• Accessory Glands:

  • Seminal Vesicles: Secrete fluid that nourishes and helps transport sperm

  • Prostate Gland: Produces fluid that helps sperm motility and neutralizes vaginal acidity

  • Bulbourethral Glands: Secrete lubricating fluid during sexual arousal

• Supporting Structures:

  • Scrotum: Holds and regulates the temperature of the testes

  • Penis: Delivers sperm into the female reproductive tract

These structures together make up the Male Genitalia

Seminal Vesicles

Male Reproductive System

• Testes:

  • Produce sperm and male sex hormones (androgens)

  • Located in the scrotum

• Ducts:

  • Epididymis: Stores and matures sperm

  • Ductus Deferens: Transports sperm from the epididymis to the ejaculatory duct

  • Urethra: Passage for sperm and urine; transports sperm during ejaculation

• Accessory Glands:

  • _____: Secrete fluid that nourishes and helps transport sperm

  • Prostate Gland: Produces fluid that helps sperm motility and neutralizes vaginal acidity

  • Bulbourethral Glands: Secrete lubricating fluid during sexual arousal

• Supporting Structures:

  • Scrotum: Holds and regulates the temperature of the testes

  • Penis: Delivers sperm into the female reproductive tract

These structures together make up the Male Genitalia

Prostate Gland

Male Reproductive System

• Testes:

  • Produce sperm and male sex hormones (androgens)

  • Located in the scrotum

• Ducts:

  • Epididymis: Stores and matures sperm

  • Ductus Deferens: Transports sperm from the epididymis to the ejaculatory duct

  • Urethra: Passage for sperm and urine; transports sperm during ejaculation

• Accessory Glands:

  • Seminal Vesicles: Secrete fluid that nourishes and helps transport sperm

  • _____: Produces fluid that helps sperm motility and neutralizes vaginal acidity

  • Bulbourethral Glands: Secrete lubricating fluid during sexual arousal

• Supporting Structures:

  • Scrotum: Holds and regulates the temperature of the testes

  • Penis: Delivers sperm into the female reproductive tract

These structures together make up the Male Genitalia

Bulbourethral Glands

Male Reproductive System

• Testes:

  • Produce sperm and male sex hormones (androgens)

  • Located in the scrotum

• Ducts:

  • Epididymis: Stores and matures sperm

  • Ductus Deferens: Transports sperm from the epididymis to the ejaculatory duct

  • Urethra: Passage for sperm and urine; transports sperm during ejaculation

• Accessory Glands:

  • Seminal Vesicles: Secrete fluid that nourishes and helps transport sperm

  • Prostate Gland: Produces fluid that helps sperm motility and neutralizes vaginal acidity

  • _____: Secrete lubricating fluid during sexual arousal

• Supporting Structures:

  • Scrotum: Holds and regulates the temperature of the testes

  • Penis: Delivers sperm into the female reproductive tract

These structures together make up the Male Genitalia

Scrotum

Male Reproductive System

• Testes:

  • Produce sperm and male sex hormones (androgens)

  • Located in the scrotum

• Ducts:

  • Epididymis: Stores and matures sperm

  • Ductus Deferens: Transports sperm from the epididymis to the ejaculatory duct

  • Urethra: Passage for sperm and urine; transports sperm during ejaculation

• Accessory Glands:

  • Seminal Vesicles: Secrete fluid that nourishes and helps transport sperm

  • Prostate Gland: Produces fluid that helps sperm motility and neutralizes vaginal acidity

  • Bulbourethral Glands: Secrete lubricating fluid during sexual arousal

• Supporting Structures:

  • _____: Holds and regulates the temperature of the testes

  • Penis: Delivers sperm into the female reproductive tract

These structures together make up the Male Genitalia

Penis

Male Reproductive System

• Testes:

  • Produce sperm and male sex hormones (androgens)

  • Located in the scrotum

• Ducts:

  • Epididymis: Stores and matures sperm

  • Ductus Deferens: Transports sperm from the epididymis to the ejaculatory duct

  • Urethra: Passage for sperm and urine; transports sperm during ejaculation

• Accessory Glands:

  • Seminal Vesicles: Secrete fluid that nourishes and helps transport sperm

  • Prostate Gland: Produces fluid that helps sperm motility and neutralizes vaginal acidity

  • Bulbourethral Glands: Secrete lubricating fluid during sexual arousal

• Supporting Structures:

  • Scrotum: Holds and regulates the temperature of the testes

  • _____: Delivers sperm into the female reproductive tract

These structures together make up the Male Genitalia

Male Genitalia

Male Reproductive System

• Testes:

  • Produce sperm and male sex hormones (androgens)

  • Located in the scrotum

• Ducts:

  • Epididymis: Stores and matures sperm

  • Ductus Deferens: Transports sperm from the epididymis to the ejaculatory duct

  • Urethra: Passage for sperm and urine; transports sperm during ejaculation

• Accessory Glands:

  • Seminal Vesicles: Secrete fluid that nourishes and helps transport sperm

  • Prostate Gland: Produces fluid that helps sperm motility and neutralizes vaginal acidity

  • Bulbourethral Glands: Secrete lubricating fluid during sexual arousal

• Supporting Structures:

  • Scrotum: Holds and regulates the temperature of the testes

  • Penis: Delivers sperm into the female reproductive tract

These structures together make up the _____

Scrotum

Anatomy of the Male Reproductive System

• _____:

  • A sac containing the testes

  • Maintains Intrascrotal Temperature needed for sperm production

  • Divided into two compartments by the Raphe, a visible ridge of tissue

Intrascrotal Temperature

Anatomy of the Male Reproductive System

• Scrotum:

  • A sac containing the testes

  • Maintains _____ needed for sperm production

  • Divided into two compartments by the Raphe, a visible ridge of tissue

Dartos Muscle

Anatomy of the Male Reproductive System

• Two Sets of Muscles of the Scrotum:

  • _____:

    • Smooth muscle (involuntary, autonomic)

    • Wrinkles the scrotal skin to reduce heat loss

  • Cremaster Muscle:

    • Skeletal muscle (voluntary, somatic)

    • Elevates the testes to regulate temperature

These muscles keep the testes 3°C Lower than core body temperature, which is necessary for optimal sperm production

Cremaster Muscle

Anatomy of the Male Reproductive System

• Two Sets of Muscles of the Scrotum:

  • Dartos Muscle:

    • Smooth muscle (involuntary, autonomic)

    • Wrinkles the scrotal skin to reduce heat loss

  • _____:

    • Skeletal muscle (voluntary, somatic)

    • Elevates the testes to regulate temperature

These muscles keep the testes 3°C Lower than core body temperature, which is necessary for optimal sperm production

3°C Lower

Anatomy of the Male Reproductive System

• Two Sets of Muscles of the Scrotum:

  • Dartos Muscle:

    • Smooth muscle (involuntary, autonomic)

    • Wrinkles the scrotal skin to reduce heat loss

  • Cremaster Muscle:

    • Skeletal muscle (voluntary, somatic)

    • Elevates the testes to regulate temperature

These muscles keep the testes _____ than core body temperature, which is necessary for optimal sperm production

Raphe

Anatomy of the Male Reproductive System

• Scrotum:

  • A sac containing the testes

  • Maintains Intrascrotal Temperature needed for sperm production

  • Divided into two compartments by the _____, a visible ridge of tissue

Urethral Meatus

Male Reproductive System Anatomy (Additional Structures)

• _____: The opening at the tip of the penis through which urine and semen exit the body

• Penile Raphe: A line or ridge of tissue running along the underside of the penis, marking the fusion of the two halves during development

• Scrotal Raphe: A visible line on the scrotum, which divides it into two halves, indicating the area where the scrotum fused during embryonic development

• Perineal Raphe: A line that extends from the scrotum to the anus, representing the seam where the two halves of the perineum fused during development

• Anus: The opening at the end of the digestive tract, through which feces are expelled from the body

Penile Raphe

Male Reproductive System Anatomy (Additional Structures)

• Urethral Meatus: The opening at the tip of the penis through which urine and semen exit the body

• _____: A line or ridge of tissue running along the underside of the penis, marking the fusion of the two halves during development

• Scrotal Raphe: A visible line on the scrotum, which divides it into two halves, indicating the area where the scrotum fused during embryonic development

• Perineal Raphe: A line that extends from the scrotum to the anus, representing the seam where the two halves of the perineum fused during development

• Anus: The opening at the end of the digestive tract, through which feces are expelled from the body

Scrotal Raphe

Male Reproductive System Anatomy (Additional Structures)

• Urethral Meatus: The opening at the tip of the penis through which urine and semen exit the body

• Penile Raphe: A line or ridge of tissue running along the underside of the penis, marking the fusion of the two halves during development

• _____: A visible line on the scrotum, which divides it into two halves, indicating the area where the scrotum fused during embryonic development

• Perineal Raphe: A line that extends from the scrotum to the anus, representing the seam where the two halves of the perineum fused during development

• Anus: The opening at the end of the digestive tract, through which feces are expelled from the body

Perineal Raphe

Male Reproductive System Anatomy (Additional Structures)

• Urethral Meatus: The opening at the tip of the penis through which urine and semen exit the body

• Penile Raphe: A line or ridge of tissue running along the underside of the penis, marking the fusion of the two halves during development

• Scrotal Raphe: A visible line on the scrotum, which divides it into two halves, indicating the area where the scrotum fused during embryonic development

• _____: A line that extends from the scrotum to the anus, representing the seam where the two halves of the perineum fused during development

• Anus: The opening at the end of the digestive tract, through which feces are expelled from the body

Anus

Male Reproductive System Anatomy (Additional Structures)

• Urethral Meatus: The opening at the tip of the penis through which urine and semen exit the body

• Penile Raphe: A line or ridge of tissue running along the underside of the penis, marking the fusion of the two halves during development

• Scrotal Raphe: A visible line on the scrotum, which divides it into two halves, indicating the area where the scrotum fused during embryonic development

• Perineal Raphe: A line that extends from the scrotum to the anus, representing the seam where the two halves of the perineum fused during development

• _____: The opening at the end of the digestive tract, through which feces are expelled from the body

Seminiferous Tubules

Anatomy of the Male Reproductive System (Testes)

• _____ (“Sperm Factories”):

  • Produce sperm.

  • Converge to form the Tubulus Rectus

• Tubulus Rectus:

  • Conveys sperm to the Rete Testis

• Rete Testis:

  • Sperm leaves the testis via Efferent Ductules

  • From the Efferent Ductules, sperm enter the Epididymis

• Interstitial Cells:

  • Surround the Seminiferous Tubules

  • Produce Testosterone

Tubulus Rectus

Anatomy of the Male Reproductive System (Testes)

• Seminiferous Tubules (“Sperm Factories”):

  • Produce sperm.

  • Converge to form the Tubulus Rectus

• _____:

  • Conveys sperm to the Rete Testis

• Rete Testis:

  • Sperm leaves the testis via Efferent Ductules

  • From the Efferent Ductules, sperm enter the Epididymis

• Interstitial Cells:

  • Surround the Seminiferous Tubules

  • Produce Testosterone

Rete Testis

Anatomy of the Male Reproductive System (Testes)

• Seminiferous Tubules (“Sperm Factories”):

  • Produce sperm.

  • Converge to form the Tubulus Rectus

• Tubulus Rectus:

  • Conveys sperm to the Rete Testis

• _____:

  • Sperm leaves the testis via Efferent Ductules

  • From the Efferent Ductules, sperm enter the Epididymis

• Interstitial Cells:

  • Surround the Seminiferous Tubules

  • Produce Testosterone

Interstitial Cells

Anatomy of the Male Reproductive System (Testes)

• Seminiferous Tubules (“Sperm Factories”):

  • Produce sperm.

  • Converge to form the Tubulus Rectus

• Tubulus Rectus:

  • Conveys sperm to the Rete Testis

• Rete Testis:

  • Sperm leaves the testis via Efferent Ductules

  • From the Efferent Ductules, sperm enter the Epididymis

• _____:

  • Surround the Seminiferous Tubules

  • Produce Testosterone

Efferent Ductules

Anatomy of the Male Reproductive System (Testes)

• Seminiferous Tubules (“Sperm Factories”):

  • Produce sperm.

  • Converge to form the Tubulus Rectus

• Tubulus Rectus:

  • Conveys sperm to the Rete Testis

• Rete Testis:

  • Sperm leaves the testis via _____

  • From the Efferent Ductules, sperm enter the Epididymis

• Interstitial Cells:

  • Surround the Seminiferous Tubules

  • Produce Testosterone

Epididymis

Anatomy of the Male Reproductive System (Testes)

• Seminiferous Tubules (“Sperm Factories”):

  • Produce sperm.

  • Converge to form the Tubulus Rectus

• Tubulus Rectus:

  • Conveys sperm to the Rete Testis

• Rete Testis:

  • Sperm leaves the testis via Efferent Ductules

  • From the Efferent Ductules, sperm enter the _____

• Interstitial Cells:

  • Surround the Seminiferous Tubules

  • Produce Testosterone

Testosterone

Anatomy of the Male Reproductive System (Testes)

• Seminiferous Tubules (“Sperm Factories”):

  • Produce sperm.

  • Converge to form the Tubulus Rectus

• Tubulus Rectus:

  • Conveys sperm to the Rete Testis

• Rete Testis:

  • Sperm leaves the testis via Efferent Ductules

  • From the Efferent Ductules, sperm enter the Epididymis

• Interstitial Cells:

  • Surround the Seminiferous Tubules

  • Produce _____

Tunica Albuginea

Anatomy of the Male Reproductive System (Structure of the Testis)

• Mediastinum Testis:

  • A thickening of the _____ at the posterior surface of the testis

  • Projects inward into the Testis

  • Serves as a passageway for blood vessels, lymphatic vessels, and Genital Excurrent Ducts (Efferent Ductules) as they enter or leave the Testis

Mediastinum Testis

Anatomy of the Male Reproductive System (Structure of the Testis)

• _____:

  • A thickening of the Tunica Albuginea at the posterior surface of the testis

  • Projects inward into the Testis

  • Serves as a passageway for blood vessels, lymphatic vessels, and Genital Excurrent Ducts (Efferent Ductules) as they enter or leave the Testis

Testis

Anatomy of the Male Reproductive System (Structure of the Testis)

• Mediastinum Testis:

  • A thickening of the Tunica Albuginea at the posterior surface of the testis

  • Projects inward into the _____

  • Serves as a passageway for blood vessels, lymphatic vessels, and Genital Excurrent Ducts (Efferent Ductules) as they enter or leave the Testis

Genital Excurrent Ducts

Anatomy of the Male Reproductive System (Structure of the Testis)

• Mediastinum Testis:

  • A thickening of the Tunica Albuginea at the posterior surface of the testis

  • Projects inward into the Testis

  • Serves as a passageway for blood vessels, lymphatic vessels, and _____ (Efferent Ductules) as they enter or leave the Testis

Tunica Albuginea

Anatomy of the Male Reproductive System (Structure of the Testis)

• _____:

  • Definition: A dense, fibrous connective tissue capsule that surrounds the testes

  • Function:

    • Protects the Testis and provides structural support

    • The thickening at the posterior surface forms the Mediastinum Testis

    • It also helps divide the interior of the testis into compartments (Lobules) containing Seminiferous Tubule

Testis

Anatomy of the Male Reproductive System (Structure of the Testis)

• Tunica Albuginea:

  • Definition: A dense, fibrous connective tissue capsule that surrounds the testes

  • Function:

    • Protects the _____ and provides structural support

    • The thickening at the posterior surface forms the Mediastinum Testis

    • It also helps divide the interior of the testis into compartments (Lobules) containing Seminiferous Tubule

Mediastinum Testis

Anatomy of the Male Reproductive System (Structure of the Testis)

• Tunica Albuginea:

  • Definition: A dense, fibrous connective tissue capsule that surrounds the testes

  • Function:

    • Protects the Testis and provides structural support

    • The thickening at the posterior surface forms the _____

    • It also helps divide the interior of the testis into compartments (Lobules) containing Seminiferous Tubule

Lobules

Anatomy of the Male Reproductive System (Structure of the Testis)

• Tunica Albuginea:

  • Definition: A dense, fibrous connective tissue capsule that surrounds the testes

  • Function:

    • Protects the Testis and provides structural support

    • The thickening at the posterior surface forms the Mediastinum Testis

    • It also helps divide the interior of the testis into compartments (_____) containing Seminiferous Tubule

Lobules

Anatomy of the Male Reproductive System (Structure of the Testis)

• _____: Each of these contains one to four Seminiferous Tubule

• Straight Tubule (Tubulus Rectus):

  • The ends of the seminiferous tubules that take a short, straight course

  • Becomes continuous with the Rete Testis

• Rete Testis: An anastomosing (interconnected) channel system within the Mediastinum Testis

Straight Tubule (Tubulus Rectus)

Anatomy of the Male Reproductive System (Structure of the Testis)

• Lobules: Each of these contains one to four Seminiferous Tubule

• _____:

  • The ends of the seminiferous tubules that take a short, straight course

  • Becomes continuous with the Rete Testis

• Rete Testis: An anastomosing (interconnected) channel system within the Mediastinum Testis

Rete Testis

Anatomy of the Male Reproductive System (Structure of the Testis)

• Lobules: Each of these contains one to four Seminiferous Tubule

• Straight Tubule (Tubulus Rectus):

  • The ends of the seminiferous tubules that take a short, straight course

  • Becomes continuous with the Rete Testis

• _____: An anastomosing (interconnected) channel system within the Mediastinum Testis

Seminiferous Epithelium

Anatomy of the Male Reproductive System (Structure of the Testis)

• Seminiferous Tubule:

  • Composed of _____ surrounded by Tunica Propria

  • Site of Spermatogenesis (sperm production)

• Sertoli Cells:

  • Also known as Supporting or Sustentacular Cells

  • Provide structural and nutritional support for Spermatogenic Cells

• Spermatogenic Cells:

  • Derived from Primordial Germ Cells originating in the yolk sac

  • Continuously replicate and differentiate into Mature Sperm

  • Spermatogonia (immature spermatogenic cells) rest on the basal lamina

  • Spermatids (mature cells) are attached to the Apical Portion of Sertoli cells, bordering the lumen of the Seminiferous Tubule

Seminiferous Tubule

Anatomy of the Male Reproductive System (Structure of the Testis)

• _____:

  • Composed of Seminiferous Epithelium surrounded by Tunica Propria

  • Site of Spermatogenesis (sperm production)

• Sertoli Cells:

  • Also known as Supporting or Sustentacular Cells

  • Provide structural and nutritional support for Spermatogenic Cells

• Spermatogenic Cells:

  • Derived from Primordial Germ Cells originating in the yolk sac

  • Continuously replicate and differentiate into Mature Sperm

  • Spermatogonia (immature spermatogenic cells) rest on the basal lamina

  • Spermatids (mature cells) are attached to the Apical Portion of Sertoli cells, bordering the lumen of the Seminiferous Tubule

Tunica Propria

Anatomy of the Male Reproductive System (Structure of the Testis)

• Seminiferous Tubule:

  • Composed of Seminiferous Epithelium surrounded by _____

  • Site of Spermatogenesis (sperm production)

• Sertoli Cells:

  • Also known as Supporting or Sustentacular Cells

  • Provide structural and nutritional support for Spermatogenic Cells

• Spermatogenic Cells:

  • Derived from Primordial Germ Cells originating in the yolk sac

  • Continuously replicate and differentiate into Mature Sperm

  • Spermatogonia (immature spermatogenic cells) rest on the basal lamina

  • Spermatids (mature cells) are attached to the Apical Portion of Sertoli cells, bordering the lumen of the Seminiferous Tubule

Spermatogenesis

Anatomy of the Male Reproductive System (Structure of the Testis)

• Seminiferous Tubule:

  • Composed of Seminiferous Epithelium surrounded by Tunica Propria

  • Site of _____ (sperm production)

• Sertoli Cells:

  • Also known as Supporting or Sustentacular Cells

  • Provide structural and nutritional support for Spermatogenic Cells

• Spermatogenic Cells:

  • Derived from Primordial Germ Cells originating in the yolk sac

  • Continuously replicate and differentiate into Mature Sperm

  • Spermatogonia (immature spermatogenic cells) rest on the basal lamina

  • Spermatids (mature cells) are attached to the Apical Portion of Sertoli cells, bordering the lumen of the Seminiferous Tubule

Sertoli Cells

Anatomy of the Male Reproductive System (Structure of the Testis)

• Seminiferous Tubule:

  • Composed of Seminiferous Epithelium surrounded by Tunica Propria

  • Site of Spermatogenesis (sperm production)

• _____:

  • Also known as Supporting or Sustentacular Cells

  • Provide structural and nutritional support for Spermatogenic Cells

• Spermatogenic Cells:

  • Derived from Primordial Germ Cells originating in the yolk sac

  • Continuously replicate and differentiate into Mature Sperm

  • Spermatogonia (immature spermatogenic cells) rest on the basal lamina

  • Spermatids (mature cells) are attached to the Apical Portion of Sertoli cells, bordering the lumen of the Seminiferous Tubule

Supporting or Sustentacular Cells

Anatomy of the Male Reproductive System (Structure of the Testis)

• Seminiferous Tubule:

  • Composed of Seminiferous Epithelium surrounded by Tunica Propria

  • Site of Spermatogenesis (sperm production)

• Sertoli Cells:

  • Also known as _____

  • Provide structural and nutritional support for Spermatogenic Cells

• Spermatogenic Cells:

  • Derived from Primordial Germ Cells originating in the yolk sac

  • Continuously replicate and differentiate into Mature Sperm

  • Spermatogonia (immature spermatogenic cells) rest on the basal lamina

  • Spermatids (mature cells) are attached to the Apical Portion of Sertoli cells, bordering the lumen of the Seminiferous Tubule

Spermatogenic Cells

Anatomy of the Male Reproductive System (Structure of the Testis)

• Seminiferous Tubule:

  • Composed of Seminiferous Epithelium surrounded by Tunica Propria

  • Site of Spermatogenesis (sperm production)

• Sertoli Cells:

  • Also known as Supporting or Sustentacular Cells

  • Provide structural and nutritional support for _____

• Spermatogenic Cells:

  • Derived from Primordial Germ Cells originating in the yolk sac

  • Continuously replicate and differentiate into Mature Sperm

  • Spermatogonia (immature spermatogenic cells) rest on the basal lamina

  • Spermatids (mature cells) are attached to the Apical Portion of Sertoli cells, bordering the lumen of the Seminiferous Tubule

Primordial Germ Cells

Anatomy of the Male Reproductive System (Structure of the Testis)

• Seminiferous Tubule:

  • Composed of Seminiferous Epithelium surrounded by Tunica Propria

  • Site of Spermatogenesis (sperm production)

• Sertoli Cells:

  • Also known as Supporting or Sustentacular Cells

  • Provide structural and nutritional support for Spermatogenic Cells

• Spermatogenic Cells:

  • Derived from _____ originating in the yolk sac

  • Continuously replicate and differentiate into Mature Sperm

  • Spermatogonia (immature spermatogenic cells) rest on the basal lamina

  • Spermatids (mature cells) are attached to the Apical Portion of Sertoli cells, bordering the lumen of the Seminiferous Tubule

Mature Sperm

Anatomy of the Male Reproductive System (Structure of the Testis)

• Seminiferous Tubule:

  • Composed of Seminiferous Epithelium surrounded by Tunica Propria

  • Site of Spermatogenesis (sperm production)

• Sertoli Cells:

  • Also known as Supporting or Sustentacular Cells

  • Provide structural and nutritional support for Spermatogenic Cells

• Spermatogenic Cells:

  • Derived from Primordial Germ Cells originating in the yolk sac

  • Continuously replicate and differentiate into _____

  • Spermatogonia (immature spermatogenic cells) rest on the basal lamina

  • Spermatids (mature cells) are attached to the Apical Portion of Sertoli cells, bordering the lumen of the Seminiferous Tubule

Spermatogonia

Anatomy of the Male Reproductive System (Structure of the Testis)

• Seminiferous Tubule:

  • Composed of Seminiferous Epithelium surrounded by Tunica Propria

  • Site of Spermatogenesis (sperm production)

• Sertoli Cells:

  • Also known as Supporting or Sustentacular Cells

  • Provide structural and nutritional support for Spermatogenic Cells

• Spermatogenic Cells:

  • Derived from Primordial Germ Cells originating in the yolk sac

  • Continuously replicate and differentiate into Mature Sperm

  • _____ (immature spermatogenic cells) rest on the basal lamina

  • Spermatids (mature cells) are attached to the Apical Portion of Sertoli cells, bordering the lumen of the Seminiferous Tubule

Spermatids

Anatomy of the Male Reproductive System (Structure of the Testis)

• Seminiferous Tubule:

  • Composed of Seminiferous Epithelium surrounded by Tunica Propria

  • Site of Spermatogenesis (sperm production)

• Sertoli Cells:

  • Also known as Supporting or Sustentacular Cells

  • Provide structural and nutritional support for Spermatogenic Cells

• Spermatogenic Cells:

  • Derived from Primordial Germ Cells originating in the yolk sac

  • Continuously replicate and differentiate into Mature Sperm

  • Spermatogonia (immature spermatogenic cells) rest on the basal lamina

  • _____ (mature cells) are attached to the Apical Portion of Sertoli cells, bordering the lumen of the Seminiferous Tubule

Apical Portion of Sertoli Cells

Anatomy of the Male Reproductive System (Structure of the Testis)

• Seminiferous Tubule:

  • Composed of Seminiferous Epithelium surrounded by Tunica Propria

  • Site of Spermatogenesis (sperm production)

• Sertoli Cells:

  • Also known as Supporting or Sustentacular Cells

  • Provide structural and nutritional support for Spermatogenic Cells

• Spermatogenic Cells:

  • Derived from Primordial Germ Cells originating in the yolk sac

  • Continuously replicate and differentiate into Mature Sperm

  • Spermatogonia (immature spermatogenic cells) rest on the basal lamina

  • Spermatids (mature cells) are attached to the _____, bordering the lumen of the Seminiferous Tubule

Testes Descent

_____ refers to the process during fetal development where the testes, which initially form in the abdominal cavity, move down into the scrotum. This is important for their proper function in sperm production.

Abdominal Cavity

Testes Descent:

• During fetal development, the Testes migrate from the _____ through the Inguinal Canal to the Scrotum

• This process is essential for proper testicular function, as the scrotum provides a Cooler Environment for sperm production

Inguinal Canal

Testes Descent:

• During fetal development, the Testes migrate from the Abdominal Cavity through the _____ to the Scrotum

• This process is essential for proper testicular function, as the scrotum provides a Cooler Environment for sperm production

Scrotum

Testes Descent:

• During fetal development, the Testes migrate from the Abdominal Cavity through the Inguinal Canal to the _____

• This process is essential for proper testicular function, as the scrotum provides a Cooler Environment for sperm production

Cooler Environment

Testes Descent:

• During fetal development, the Testes migrate from the Abdominal Cavity through the Inguinal Canal to the Scrotum

• This process is essential for proper testicular function, as the scrotum provides a _____ for sperm production

Seminiferous Tubules

Spermatogenesis to Storation:

1. Sperm are produced through spermatogenesis within the _____ of the testes

2. Sperm move from the _____ into the Straight Tubules (Tubulus Rectus), which lead to the Rete Testis

3. The sperm enter the Rete Testis, a network of interconnected channels within the mediastinum testis.

4. Sperm are transported through the Efferent Ductules, which connect the Rete Testis to the Epididymis

5. Sperm mature and are stored in the Epididymis, where they gain motility and the ability to fertilize an egg

Straight Tubules (Tubulus Rectus)

Spermatogenesis to Storation:

1. Sperm are produced through spermatogenesis within the Seminiferous Tubules of the testes

2. Sperm move from the Seminiferous Tubules into the _____, which lead to the Rete Testis

3. The sperm enter the Rete Testis, a network of interconnected channels within the mediastinum testis.

4. Sperm are transported through the Efferent Ductules, which connect the Rete Testis to the Epididymis

5. Sperm mature and are stored in the Epididymis, where they gain motility and the ability to fertilize an egg

Rete Testis

Spermatogenesis to Storation:

1. Sperm are produced through spermatogenesis within the Seminiferous Tubules of the testes

2. Sperm move from the Seminiferous Tubules into the Straight Tubules (Tubulus Rectus), which lead to the _____

3. The sperm enter the _____, a network of interconnected channels within the mediastinum testis.

4. Sperm are transported through the Efferent Ductules, which connect the _____ to the Epididymis

5. Sperm mature and are stored in the Epididymis, where they gain motility and the ability to fertilize an egg

Efferent Ductules

Spermatogenesis to Storation:

1. Sperm are produced through spermatogenesis within the Seminiferous Tubules of the testes

2. Sperm move from the Seminiferous Tubules into the Straight Tubules (Tubulus Rectus), which lead to the Rete Testis

3. The sperm enter the Rete Testis, a network of interconnected channels within the mediastinum testis.

4. Sperm are transported through the _____, which connect the Rete Testis to the Epididymis

5. Sperm mature and are stored in the Epididymis, where they gain motility and the ability to fertilize an egg

Epididymis

Spermatogenesis to Storation:

1. Sperm are produced through spermatogenesis within the Seminiferous Tubules of the testes

2. Sperm move from the Seminiferous Tubules into the Straight Tubules (Tubulus Rectus), which lead to the Rete Testis

3. The sperm enter the Rete Testis, a network of interconnected channels within the mediastinum testis.

4. Sperm are transported through the Efferent Ductules, which connect the Rete Testis to the _____

5. Sperm mature and are stored in the _____, where they gain motility and the ability to fertilize an egg

Seminiferous Tubules

Spermatogenesis to Storation (More Concise Version)

1. _____

2. Straight Tubules (Tubulus Rectus)

3. Rete Testis

4. Efferent Ductules

5. Epididymis

Straight Tubules (Tubulus Rectus)

Spermatogenesis to Storation (More Concise Version)

1. Seminiferous Tubules

2. _____

3. Rete Testis

4. Efferent Ductules

5. Epididymis

Rete Testis

Spermatogenesis to Storation (More Concise Version)

1. Seminiferous Tubules

2. Straight Tubules (Tubulus Rectus)

3. _____

4. Efferent Ductules

5. Epididymis

Efferent Ductules

Spermatogenesis to Storation (More Concise Version)

1. Seminiferous Tubules

2. Straight Tubules (Tubulus Rectus)

3. Rete Testis

4. _____

5. Epididymis

Epididymis

Spermatogenesis to Storation (More Concise Version)

1. Seminiferous Tubules

2. Straight Tubules (Tubulus Rectus)

3. Rete Testis

4. Efferent Ductules

5. _____

Epididymis

Anatomy of the Male Reproductive System

• _____:

  • Efferent Ductules extend from the testes to the head of the _____, joining the duct of the _____

  • Coiled Tube System located on the testis.

  • Divided into three parts: Head, Body, and Tail

Coiled Tube System

Anatomy of the Male Reproductive System

• Epididymis:

  • Efferent Ductules extend from the testes to the head of the Epididymis, joining the duct of the Epididymis

  • _____ located on the testis.

  • Divided into three parts: Head, Body, and Tail

Head, Body, and Tail

Anatomy of the Male Reproductive System

• Epididymis:

  • Efferent Ductules extend from the testes to the head of the Epididymis, joining the duct of the Epididymis

  • Coiled Tube System located on the testis.

  • Divided into three parts: _____

Epididymis

Anatomy of the Male Reproductive System

• _____:

  • Site of Sperm Cell Maturation

  • Nonmotile Sperm enter, travel through its tubes, and become motile

  • Maturation Process (12-16 days)

    • Acrosome matures

    • Fertilization Capability develops

    • Flagella gain the ability to move

  • Ejaculation: The epididymis contracts to expel sperm into the Ductus Deferens

Sperm Cell Maturation

Anatomy of the Male Reproductive System

• Epididymis:

  • Site of _____

  • Nonmotile Sperm enter, travel through its tubes, and become motile

  • Maturation Process (12-16 days)

    • Acrosome matures

    • Fertilization Capability develops

    • Flagella gain the ability to move

  • Ejaculation: The epididymis contracts to expel sperm into the Ductus Deferens