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  • Where is the site of sperm production?

    seminiferous tubules

  • most common cancer in men age 15-35

    Testicular cancer

  • Inflammation of the testes is called what?

    Orchitis

  • Non descent of testes

    Cryptorchidism

  • Accessory ducts carry sperm from testes to body exterior:

    Epididymis

    Ductus deferens

    Ejaculatory duct

    Urethra

  • Where is the site of sperm maturation?

    Epididymis

  • Epididymis:

    Pseudostratified epithelial cells of mucosa contain _____.

    • allows absorption of excess testicular fluid and pass ____ to stored sperm

    microvilli

    nutrients

  • Epididymis:

    Nonmotile sperm enter, pass through slowly (__ days)

    • Gain the ability to ____

    • Can be stored for __ months

    20

    swim

    several

  • The ____ _____ joins duct of seminal vesicle to form ejaculatory duct

    ductus deferens (vas deferens)

  • Ductus Deferens: smooth muscle in walls propels sperm from _____ to _____.

    Epididymis to Urethra

  • What is it called when the ductus deferens is cut or ligated?

    Vasectomy

  • The urethra conveys both ____ and ____ (at different times)

    Urine and semen

  • Three regions of the Urethra:

    • ____ ____:surrounded by prostate

    • ____ ____: in urogenital diaphragm

    • ____ ____:Runs through penis

      • opens at external Urethral orifice

    prostatic urethra

    membranous urethra

    spongy urethra

  • _____: male copulatory organ consisting of Root and Shaft that ends in ____ ____.

    penis

    glans penis

  • What is the cuff of loose skin covering the glans?

    prepuce (foreskin)

  • surgical removal of foreskin

    circumcision

  • External genitalia:

    scrotum

    penis

  • __% of males in US are circumcised, only__% in other parts of the world.

    60

    15

  • Studies show a 60% reduction in ___ risk, when circumcised.

    HIV

  • What surrounds urethra and expands to form glans and bulb of penis?

    Corpus Spongiosum

  • _____ _____: Paired dorsal erectile bodies.

    Corpora cavernosa

  • What is it called when erectile tissue fills with blood, causing penis to enlarge and become rigid?

    Erection

  • What gland contracts during ejaculation?

    Seminal glands (seminal vesicles)

  • Seminal glands produce ____ ____ seminal fluid, __ % of semen.

    viscous alkaline

    70%

  • _____ _____ enhance sperm motility and fertilizing ability

    Seminal glands

  • _____: encircles urethra inferior to bladder

    • Size of ____ ____

    prostate

    peach pit

  • The prostate secretes _____, slightly ____ fluid that plays a role in sperm activation.

    milky

    acid

  • ____-____ glands: pea-sized glands that produce thick, clear mucus during sexual arousal.

    Bulbo-urethral glands

  • The bulbo-urethral glands lubricate ____ ____ and neutralize traces of ____ ____ in urethra.

    glans penis

    acidic urine