Anatomy- Unit 6 Male reproductive

gross anatomy

Scrotum

dartos muscle

dartos muscle

composed of smooth muscle

func: thermoregulation by wrinkling the scrotal skin to decrease heat loss

Testis

func: production of sperm and testosterone

• tunica vaginalis

• tunica albuginea

• seminiferous tubles

Epididymis

sperm maturation

Spermatic Cord

• ductus deferens

• pampiniform plexus

• nerves

• testicular artery

• cremaster muscle

• inguinal canal

Inguinal canal

• superficial inguinal ring

• inguinal ligament

Seminal glands

produce 60% of the volume of semen

Prostate

func: produces 1/3 of the volume of semen

• ejaculatory duct

• prostatic urethra

Urogenital diaphragm

• membranous urethra

• external urethral sphincter

• bulbourethral glands

Bulbourethral glands

func: produce an acidic mucus to neutralize the urethra and lubricate it for smooth passage of semen

Penis

• corpora cavernosa

• corpus spongiosum

• penile urethra

• glans penis

• foreskin/prepuce