[ANA] PE 7 (Identification + SQs)

Clitoris

Blood Supply: Internal Pudendal a.

• Origin: Internal Iliac a. (Anterior division)

Nerve Supply: Pudendal nerve (sensory fibers)

Lymph Drainage: Internal Iliac/Deep Inguinal nodes

Identify #1

Side Questions:

Blood Supply?

• Origin

Nerve Supply?

Lymph Drainage?

Apex of the vestibule

Clitoris is found anteriorly by which structure?

• Paired Corpora cavernosa

• Ischiocavernosus muscle

Crura of the clitoris formed by

Paired corpora cavernosa that adjoin side by side below the pubic symphysis and enclosed in dense connective tissue

Body of the clitoris is formed by

Prepuce

Glans of the clitoris is partly covered by which structure

Labia Minora

Side Question:

• Encloses which structure: Clitoris

• Forms which structure anteriorly: Prepuce

• Forms which posteriorly: Frenulum

Identify #2

Side Question:

• Encloses which structure?

• Forms which structure anteriorly?

• Forms which posteriorly?

Labia Majora

Side Question:

Sensory Innervation

• Anterior - Genital branch of the Genitofemoral n.

• Posterior - Perineal branch of Pudendal n.

Ligament that terminates in this structure from the pelvic cavity: Round ligament of the Uterus

Identify #3

Side Question:

Sensory Innervation?

• Anterior

• Posterior

Ligament that terminates in this structure from the pelvic cavity?

Labia Minora and Majora

Blood Supply: Internal Pudendal a.

• Origin: Internal Iliac a.

Venous Drainage: External pudendal v. → Great Saphenous v.

Lymph Drainage: Superficial Inguinal nodes

Labia Minora and Majora

Blood Supply?

Venous Drainage?

Lymph Drainage?

Body of the Uterus

Side Question:

What are the four primary supports of this structure?

• Pelvic Diaphragm (Levator ani) - Main Support

• *Cardinal Ligament (at the sides)

• *Pubocervical Ligament (Anterior)

• *Uterosacral Ligament (Posterior)

*Cervical Part

Lymph Drainage: External/Internal Iliac LN (Body and Cervix)

Identify

Side Question:

What are the four primary supports of this structure?

Lymph Drainage?

Round Ligament of the Uterus

Side Question:

Artery found in this ligament?

• Sampson’s artery (The artery of the round ligament of the uterus)

Lymph Drainage: Superficial Inguinal LN

Identify

Side Question:

Artery found in this ligament?

Lymph Drainage?

Broad Ligament of the Uterus

Side Question:

This structure is composed of the following:

• Largest that supports the body and fundus of uterus: Mesometrium

• Most superior that supports the fallopian tube: Mesosalpinx

• Posterior and supports the ovary: Mesovarium

Identify

Side Question:

This structure is composed of the following extensions:

• Largest that supports the body and fundus of uterus?

• Most superior that supports the fallopian tube?

• Posterior and supports the ovary?

Ampulla of the Fallopian Tube

Identify (Be Specific)

Fimbriae of the Fallopian Tube

Identify (Be specific)

Fallopian Tube

Blood Supply

• Uterine a. (Origin: Internal Iliac a.)

• Ovarian a. (Origin: Abdominal Aorta)

Venous Drainage: Uterine and Ovarian veins

Nerve Innervation: Inferior Hypogastric Plexus

Lymph Drainage: Internal Iliac and Para-aortic Nodes

Fallopian Tube

Blood Supply?

Venous Drainage?

Nerve Innervation?

Lymph Drainage?

Suspensory Ligament of the Ovary (IP Ligament)

Side Question:

This structure houses

• Ovarian and lymphatic vessels

• Autonomic nerves

This structure is attached to the following:

• Fallopian tube

• Ovary

Identify

Side Question:

This structure houses?

This structure is attached to the following (0.5 for each)?

Ovary

Side Question:

Blood Supply: Ovarian a. (Origin: Abdominal Aorta)

Venous Drainage: Ovarian v. → R: IVC, L: Left Renal V.

Nerve Supply: Aortic Plexus

Lymph Drainage: Paraaortic nodes (LV1)

Ligaments attached to this structure:

• Broad ligament (via mesovarium)

• Suspensory ligament

• True ligament of the ovary

Coverings:

• Tunica Albuginea

• Germinal Epithelium

Identify

Side Question:

Blood Supply?

Venous Drainage?

Nerve Supply?

Lymph Drainage?

Ligaments attached to this structure?

Coverings?

Rectouterine Pouch

Side Question:

This structure lies directly behind posterior fornix of the vagina

This structure is located between

• Anterior: Uterus

• Posterior: Rectum

Identify

Side Question:

This structure lies directly behind?

This structure is located between (anterior & posterior)?

Fundus of the Uterus

Side Question:

Blood Supply

• Uterine a. (Origin: Internal Iliac a.)

• Ovarian a. (Origin: Abdominal Aorta)

Venous Drainage: Uterine v. → Internal Iliac v.

Nerve Supply: Inferior Hypogastric Plexuses

Lymph Drainage: Paraaortic nodes (LV1)

Identify

Side Question:

Blood Supply?

Venous Drainage?

Nerve Supply?

Lymph Drainage?

Vaginal Orifice

Side Question:

This structure is partially covered by the hymen

Structures anterior and posterior to this:

• Anterior: Bartholin’s Glands, Urethra

• Posterior: Anal Canal

This structure serves as an external opening into the vestibule

The size of this is reduced by the Bulbospongiosus

Identify

Side Question:

This structure is partially covered by?

Structures anterior and posterior to this?

This structure serves as an external opening into?

The size of this is reduced by which structure?

Body of Uterus

Identify

Fundus of Uterus

Identify

Uterine Cavity

Side Question:

This structure is lined by the endometrium

This structure is continuous with:

• Superiorly: Fallopian Tubes (at Cornua)

• Inferiorly: Cervical Canal (via Internal os)

Identify

Side Question:

This structure is lined by?

This structure is continuous with:

• Superiorly?

• Inferiorly?

Cervix/Cervical Canal

Side Question:

What do you call the folds of this structure: Plicae palmatae

Which opening connects this structure to the uterine cavity: Internal os

Which opening connects this structure to the vagina: External os

Specific part of this structure seen in the vagina lined by stratified squamous ep.: Ectocervix

Specific part of this structure that is lined with simple columnar ep.: Endocervix

Identify

Side Question:

What do you call the folds of this structure?

Which opening connects this structure to the uterine cavity?

Which opening connects this structure to the vagina?

Specific part of this structure seen in the vagina lined by stratified squamous ep.?

Specific part of this structure that is lined with simple columnar ep.?

Vaginal Canal

Side Question:

Supports of this structure

• Upper 1/3: Levator ani, Cervical, Pubocervical, Uterosacral Ligaments

• Middle 1/3: Urogenital Diaphragm

• Lower 1/3: Perineal Body

This structure drains into which node? Internal Iliac LN

Identify

Side Question:

Supports of this structure

• Upper 1/3

• Middle 1/3

• Lower 1/3

This structure drains into which node?

Vagina

Blood Supply: Vaginal a. (Origin: Internal Iliac a.)

Venous Drainage: Vaginal veins → Internal Iliac v.

Nerve Supply: Inferior Hypogastric Plexus

Lymph Drainage

• Upper 1/3: External and Internal Iliac Nodes

• Middle 1/3: Internal Iliac Nodes

• Lower 1/3: Superficial Inguinal Nodes

Vagina

Blood Supply?

Nerve Supply?

Lymph Drainage?

Rectouterine Pouch

Identify

Internal Anal Sphincter

Side Question:

This structure is formed from the thickening of the smooth muscle of the circular muscle coat at the upper end of the anal canal.

Innervation: Inferior Hypogastric Plexus

Action of this structure during defecation: Relaxed

Identify

Side Question:

This structure is formed from?

Innervation?

Action of this structure during defecation?

Upper (Proximal 2/3) Anal Canal

Side Question:

This structure is derived from hindgut endoderm

This is lined by columnar epithelium

What do you call the vertical folds found in this structure: Anal columns (w/ Anal valves)

Blood Supply: Superior Rectal a. (Origin: Inferior mesenteric a.)

Venous Drainage: Superior Rectal v. → IMV → Portal Vein

Nerve Supply: Inferior Hypogastric Plexus

Lymph Drainage: Pararectal and Inferior Mesenteric nodes

Sensitive to stretch

Identify

Side Question:

This structure is derived from?

This is lined by which epithelium?

What do you call the vertical folds found in this structure?

Blood Supply?

Venous Drainage?

Nerve Supply?

Lymph Drainage?

Sensitive to?

Pectinate Line

Side Question:

This serves as a landmark that separates the upper and lower anal canal

Identify

Side Question:

This serves as a landmark that separates which structures?

Anal Columns

Side Question:

These are remains of proctodeal membrane

These are in between anal sinuses

This can be seen only in the upper anal canal

Identify

Side Question:

These are remains of?

These are in between which structure?

This can be seen only in which structure?

Lower (Distal 1/3) Anal Canal

Side Question:

This structure is derived from ectoderm of the proctodeum

This is lined by stratified squamous epithelium

Blood Supply: Inferior Rectal a. (Origin: Internal Pudendal a.)

Venous Drainage: Inferior Rectal v. → Internal Pudendal v. → Internal Iliac v.

Nerve Supply: Inferior Rectal nerve (somatic)

Lymph Drainage: Superficial Inguinal nodes

Sensitive to pain, temperature, touch, pressure

Identify

Side Question:

This structure is derived from?

This is lined by which epithelium?

What do you call the vertical folds found in this structure?

Blood Supply?

Venous Drainage?

Nerve Supply?

Lymph Drainage?

Sensitive to?

External Anal Sphincter

Side Question:

Innervation:

• Inferior Rectal nerve

• Perineal branch of S4

The deep part of this blends with the Puborectalis muscle to form a sling around the anorectal junction

Origin: Perineal body

Insertion: Coccyx

Identify

Side Question:

Innervation?

The deep part of this blends with which structure to form a sling around the anorectal junction?

Origin?

Insertion?

Epididymis

Identify

Side Question:

This structure lies in which position to the testis?

What structure lies on its medial side?

Blood Supply?

Venous Drainage?

Nerve Supply?

Lymph Drainage?

Testicular Artery

Identify

Side Question:

Origin?

Supplies which structures?

Pampiniform Plexus

Identify

Side Question:

This drains which structures?

At which level does this join together to form the testicular vein?

Vas deferens

Side Question:

This crosses which structure: Ureter

This conveys mature sperm from the epididymis to the ejaculatory duct

Its inferior end joins with which structure to form the ejaculatory duct: Ducts of the Seminal Vesicle

Blood Supply: Artery to the Ductus Deferens (Origin: Superior Vesical a.)

• Near the testis: Spermatic Cord branches of Testicular artery

• Distal Portion (Ampulla): Inferior vesical and middle rectal artery

Venous Drainage

• Proximal: Pampiniform plexus → Testicular v.

• Terminal: Vesicular Plexus / Prostatic Venous Plexus

Innervation: Inferior Hypogastric (Pelvic Plexus)

Lymph Drainage: External Iliac Nodes

Identify

Side Question:

This crosses which structure?

This conveys mature sperm from and to?

Its inferior end joins which structure to form the ejaculatory duct?

Blood Supply?

Venous Drainage?

Innervation?

Lymph Drainage?

Testis

Identify

Side Question:

This is surrounded by which structure?

This is divided into lobules by which structure?

Blood Supply?

Venous Drainage?

Nerve Supply?

Lymph Drainage?

Deep Artery of Penis

Side Question:

Distribution: Crus, Corpora cavernosa

Origin: Internal Pudendal a.

Gives rise to Helicine arteries

Identify

Side Question:

Distribution?

Origin?

Gives rise to?

Penile/Spongy Urethra

Side Question:

Exits at the external meatus

Runs through and enclosed in a bulb by the corpus spongiosum

Held in place by Buck’s fascia

Lies within glans penis and dilated to form the Fossa terminalis (Navicular)

Identify

Side Question:

Exits at?

Runs through and enclosed in a bulb by which structure?

Held in place by which structure?

Lies within glans penis and dilated to form?

Corpus cavernosum

Side Question:

Each of these is surrounded by which structure: Tunica albuginea

This continues posteriorly to become which structure and is covered by which muscle: Crus of the Penis; Ischiocavernosus muscle

Together with Corpus spongiosum ventrally, this is enclosed by which structure: Buck’s/Deep Fascia

Identify

Side Question:

Each of these is surrounded by which structure?

This continues posteriorly to become which structure and is covered by which muscle?

Together with corpus spongiosum ventrally, this is enclosed by which structure?

Corpus spongiosum

Side Question:

This is found ventrally

The posterior portion of this is covered by Bulbosponsiosus muscle (serves as the insertion of this muscle from the perineal body)

Together with Corpus cavernosa dorsally, this is enclosed by Buck’s/Deep Fascia

This expands at its distal extremity to form the glans penis

Identify

Side Question:

This is found dorsally or ventrally?

The posterior portion of this is covered by?

Together with Corpus cavernosus dorsally, this is enclosed by which structure?

This expands at its distal extremity to form?

External Urethral Orifice

Side Question:

This is an opening in which corpus of the penis: Corpus spongiosum

This is found at the summit/tip of the glans of penis

What exits in this structure: Urine and semen

Identify

Side Question:

This is an opening in which corpus of the penis?

This is found at?

What exits in this structure?

Corona of Glans Penis

Side Question:

This is part of which erectile tissue? Corpus spongiosum

This serves as a junction between which structures? between glans and shaft

Identify

Side Question:

This is part of which erectile tissue?

This serves as a junction between which structures?

Dorsal Vein of Penis

Identify

Side Question:

The deep type of this structure drains blood from and into?

The superficial type of this structure drains blood from?

This lies between which structure?

This structure is accompanied by?

Frenulum

Side Question:

This connects the prepuce (foreskin) to the glans penis

Identify

Side Question:

This connects which structures?

Glans Penis

Side Question:

This is a distal dilation of corpus spongiosum

What do you call the structure that covers this? Prepuce

This is perforated anteriorly by the external urethral meatus

Blood Supply: Both from the Internal Pudendal a.

• Artery of the Bulb

• Dorsal arteries of the Penis

Venous Drainage: Deep dorsal vein of the penis → Prostatic venous plexus

Lymph Drainage: Internal iliac nodes

Nerve Innervation: Dorsal nerve of the Penis from Pudendal nerve

Identify

Side Question:

This is a distal dilation of which structure?

What do you call the structure that covers this?

This is perforated anteriorly by?

Blood Supply?

Venous Drainage?

Lymph Drainage?

Nerve Innervation?

External Urethral Orifice

Identify

Penile Shaft / Body of Penis

Side Question:

Sensory innervation of the skin of this structure?

• Ilioinguinal nerve

• (Snell’s) Genital branch of the genitofemoral nerve

Innervation of the skin over the anterior part of the penis? Specific branch.

• Dorsal nerve of the penis

Identify

Side Question:

Sensory innervation of the skin of this structure?

Innervation of the skin over the anterior part of the penis? Specific branch.

Mons Pubis

Side Question:

Neurovascular Supply?

Identify

Side Question:

Neurovascular Supply?

Prostate

*Prostatic venous plexus drains into Internal Iliac veins

Identify

Neurovascular Supply?

Vas Deferens

Identify

Seminal Vesicle

Side Question:

These lie at the base of the bladder

Produces citric acid and acid phosphatase

Structure found medially: vas deferens

Structure found posteriorly: rectum

Structure found inferiorly: joins with vas deferens to form ejaculatory duct

NVS?

Identify

Side Question:

These lie at the base of which structure?

Produces which secretion?

Structure found medially?

Structure found posteriorly?

Structure found inferiorly?

NVS?

Bulb of Penis

Side Question:

This is the proximal (expanded) part of corpus spongiosum

Lies in the midline of the perineum

At the root of penis anterior to urogenital diaphragm

Continues as the body/shaft of the penis

Surrounded by bulbospongiosus muscle

NVS?

Identify

Side Question:

This is the proximal (expanded) part of?

Lies in the midline of?

At the root of penis anterior to which structure?

Continues as the?

Surrounded by what muscle?

NVS?

Prostate Gland

Side Question:

Lobe of this structure with no glandular tissue? Anterior lobe

Upper surface of the medial lobe of this is related to trigone of bladder

Its apex lies against which structure below and is closely related to?

• Urogenital diaphragm; external urethral sphincter

Its base lies against which structure and is closely related to?

• Bladder; internal urethral sphincter

Identify

Side Question:

Lobe of this structure with no glandular tissue?

Upper surface of the medial lobe of this is related to which structure?

Its apex lies against which structure below and is closely related to?

Its base lies against which structure and is closely related to?

neck of bladder

Base of the prostate is continuous with?

Urethra

Which structure enters the center of the base of prostate?

symphysis pubis; puboprostatic ligaments

Structure found anterior to the prostate gland and is attached by which ligament?

rectal ampulla

Structure found posterior to the prostate gland?

Levator ani muscles

Structure found laterally to the prostate gland?

Seminal Vesicle

Identify

Beginning of Ejaculatory Duct

Identify

Spongy (Penile) Urethra

Identify

Bulbospongiosus muscle

Side Question:

Origin: Perineal body

Insertion: Corpus Spongiosum

Innervation: Perineal branch of the Pudendal nerve

Action: Compresses the urethra/Sphincter of the vagina; Assists in erection

Identify

Side Question:

Origin?

Insertion?

Innervation?

Action?

Prostate (Posterior Lobe)

Side Question:

Situated behind the urethra and below the ejaculatory ducts

Identify (Be specific)

Side Question:

This is situated behind and below which structures?

Glans Penis

Identify

Prostatic Urethra

Side Question:

What drains in this structure? Seminal fluid

Identify

Side Question:

What drains in this structure?

Corpus Spongiosum

Identify

Side Question:

Blood Supply?

Venous Drainage?

Nerve Supply?

Membranous Urethra

Identify

Corpus Cavernosum

Identify

Side Question:

Blood Supply?

Venous Drainage?

Nerve Supply?

Ovarian Ligament

Identify

Isthmus of the Fallopian Tube

Identify

Vestibule

Identify

Mons Pubis

Identify

Scrotum

Side Question:

Wrinkling of this structure is caused by what muscle? Dartos muscle

The wrinkling of this structure is an extension or derivative of which abdominal wall layer: Camper’s fascia

If this structure had a superficial abscess, what group of nodes would enlarge? Inguinal group of nodes

Structure that superficially divides this into two: Median raphe

Identify

Side Question:

Wrinkling of this structure is caused by what muscle?

The wrinkling of this structure is an extension or derivative of which abdominal wall layer?

If this structure had a superficial abscess, what group of nodes would enlarge?

Structure that superficially divides this into two?

Note:

Innervation

• Anterior scrotum

  • Ilioinguinal n.

  • Genital br. of the genitofemoral n.

• Posterior scrotum

  • Pudendal n.

Lymph Drainage: Superficial Inguinal nodes

Neurovascular Supply of Scrotum

Spermatic Cord

Structure found in this?

• Vas deferens

• Testicular artery

• Pampiniform plexus

• Remains of processus vaginalis

• Genital branch of genitofemoral nerve

Identify

Side Question:

Structure found in this?

Body of Epididymis

Identify (Be specific)

Head of Epididymis

Identify (Be specific)

Tail of Epididymis

Identify (Be specific)