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Biology 322 Human Anatomy I
Male Reproductive System
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Human Reproductive System:
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Male Female 7th & 8th Testes, penis, Clitoris, labia begin weeks scrotum begin development development Both sexes: Gonads (ovaries & testes) remain inactive until puberty, when anterior pituitary stimulates maturation
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Reproductive System of Adult Male - Midsagittal
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Reproductive System of Adult Male – Coronal from back
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Testis or Testicle
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Testis or Testicle
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Testis or Testicle
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Seminiferous Tubule
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Seminiferous Tubule
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Testis or Testicle Cells between seminiferous = tubules
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Testis or Testicle Sperm pass from seminiferous tubule into
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Epididymis
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Sperm from epididymis pass into
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Spermatic cord: Passes through into abdomen
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Within abdomen, vas deferens passes to posterolateral side of bladder
View
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Within abdomen, vas deferens passes to posterolateral side of bladder where it ends as an enlarged
Posterior View
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Within abdomen are two accessory glands:
Posterior View
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Seminal Vesicles
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Seminal Vesicles
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Prostate
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Semen = mixture
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Penis Three erectile bodies
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Penis:
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Erection:
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External Urethral Orifice (through Corpus Spongiousum) Urethra (through Prostate) Only at ejaculation Ejaculatory Duct Seminal Vesicles Ductus Deferens Constant Epididymis Efferent Ductules Rete Testis Tubulus Rectus Seminiferous tubules
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