Male Repro Flashcards
(15 cards)
What is the scrotum?
The scrotum is a rugated, skin-covered, muscular pouch suspended from the perineum.
What are the functions of the scrotum?
The functions of the scrotum are to support the testes and to help regulate temperature of the sperm
-two ovoid glands, 2 to 3 cm wide, that lie in the scrotum.
-encased by a protective white fibrous capsule and is composed of
several lobules,
Testes
Produces spermatozoa
Seminiferous tubule
Directs testes closer to the body
Cold
Directs testes away from the body
Hot
Responsible for production of testosterone
LEYDIG’S cell / interstitial lens
Testes in a fetus first form in the pelvic cavity. They descend, late in intrauterine life (about the
______to _______week), into the scrotal sac.
34 to 38 weeks
Because this descent occurs so late in pregnancy, many male preterm
infants are born with undescended testes, termed medically as
Cryptorchidism
Repair for cryptorchidism
Orchidopoxy
composed of three cylindrical masses of erectile tissue in
the penis shaft
The urethra passes through these layers of erectile tissue,
making this organ serve as the outlet for both the urinary
and the reproductive tracts in men.
Penis
A substance released from the endothelium of
blood vessels during sexual excitement
Nitric oxide
Branch of the pudendal artery that provides the blood supply for the penis
Penile artery
3 cylindrical masses
2 tissues of corpus cavernosum, 1 tissue of corpus spongiosum
About 20ft. LongResponsible for conducting sperm from the testis to the vas deferens
Some sperm are stored here
Its cells partly produce an alkaline
fluid that surrounds sperm (seminal fluid containing basic sugar & mucin, a form of protein
Epididymis