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bulbourethral glands
glands located on either side of urethra whose alkaline secretion has protective function for sperm (also called Cowper's glands)
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ejaculatory ducts
two short tubes formed by joining of vas deferens and ducts of seminal vesicles, which pass through prostate and extend to the urethra
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epididymis, epididymides
pair of tightly coiled tubelike structures that secrete part of semen, serve as storage areas for sperm before ejaculation and provide passageways for sperm from testes to the body surface
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glans penis
slight bulge at distal edge of penis
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Leydig's cells
specialized interstitial cells that secrete male sex hormone testosterone
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penis
male sex organ, containing urethra, which carries both reproductive tract secretions and urine to body surface
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prepuce
retractible, double fold of skin covering glans penis
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prostate
gland surrounding urethra, secreting thick, alkaline substance that makes up part of seminal fluid
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scrotum
saclike, skin-covered structure, hanging from perineal area, containing testes, epididymides, and part of spermatic cords.
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semen
secretion discharged by male reproductive organs, containing spermatozoa
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seminal vesicles
two twisted pouches lying along dorsal surface of bladder, ventral to rectum, which secrete liquid part of semen and prostaglandins
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seminiferous tubules
coiled tubulues within testes that produce sperm cells
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Sertoli's cells
cells in testis that support and nourish sperm germ
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sigmoid flexure
S-shaped flexure of penis of bull, ram and boar
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spermatic cords
white, fibrous tissue encasing cas deferens, blood and lymph vessels, and nerves
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spermatid
germ cell developing into a spermatozoon (also called spermatoblast)
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spermatozoon, spermatozoa
male reproductive (sperm) cell (plural)
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testis
egg-shaped male gland (also called testicle) that produces spermatozoa and secretes hormones (orchis refers to testes)
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vas deferens
excretory duct of testis that joins epididymis with ejaculatory duct (also called ductus deferens)
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