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19 Cards in this Set

  • Front
  • Back
testes
gonads, in scrotum, surrounded by tunica albuginea,
scrotum
pouch containing testes
tunica albuginea
divides scrotum in lobes, surounds teste
seminiferous tubules
sperm develops on walls, released into lumen
interstitial cells
between tubules that secrete testoserone
Spermatogenisis
sperm production, begins at puberty, spermatogonia outer edge of tubule undergoing mitosis before puberty. become spermatocytes and undergo meiosis to produce spermatids during puberty
Spermatozoa
genetic info. found in head. Head, midpiece, tail
acrosome
membrane with lots of enzymes that break down egg surounding head of sperm
Production of Testosterone
carried out by iinterstitial cells, masculinizes, responsible for greater muscular development, development of accessory organs.
Epididymis
coiled tube, inside scrotum, alonf top and behind the testes, sperm pass from seminiferous tubule into epidiymis
Ductus (Vas) Deferens
bring sperm form epididumis into abdominal cavity
Ejaculatory Duct and Urethra
over top and posterior portion of bladder, empties sperm into urethra
semen
mixture of sperm and secretions of sex glands
Seminal Vesicles
60% of semen volume, high in carbs
Prostate Gland
lieds below bladder supllies 30% of semen volume
penis
made of spongy tissue, corpus spongiosum, corpus cavernosa, glans
corpus spongiosum
surrounds urethra
corpus cavernosa
hollow area
glans
distal end of penis, contains external urethral orifice