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Biology 322 Human Anatomy I

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Presentation on theme: "Biology 322 Human Anatomy I"— Presentation transcript:

1 Biology 322 Human Anatomy I
Male Reproductive System

2 Human Reproductive System:

3 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

4 Reproductive System of Adult Male - Midsagittal

5 Reproductive System of Adult Male – Coronal from back

6

7 Testis or Testicle

8 Testis or Testicle

9 Testis or Testicle

10 Seminiferous Tubule

11 Seminiferous Tubule

12

13 Testis or Testicle Cells between seminiferous = tubules

14 Testis or Testicle Sperm pass from seminiferous tubule into

15 Epididymis

16 Sperm from epididymis pass into

17 Spermatic cord: Passes through into abdomen

18 Within abdomen, vas deferens passes to posterolateral side of bladder
View

19 Within abdomen, vas deferens passes to posterolateral side of bladder where it ends as an enlarged
Posterior View

20 Within abdomen are two accessory glands:
Posterior View

21 Seminal Vesicles

22 Seminal Vesicles

23 Prostate

24 Semen = mixture

25 Penis Three erectile bodies

26 Penis:

27 Erection:

28 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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