33. MALE REPRODUCTIVE SYSTEM: A. External Structures continue SPERMATOZOA are produced by: Hypothalamus Control by GnRH (+/-) feedback Anterior Pituitary gland FSH / LH Testes FSH - release of Androgen Binding Protein (ABP) which promote SPERMATOGENESIS LH - release of Testosterone. “ Spermatozoa does not survive at body temperature. They usually survive 1°F lower than body temperature”.
34.
35. MALE REPRODUCTIVE SYSTEM: B. Internal Structures continue 4. Ejaculatory duct: the canal formed by the union of the vas deferens and the excretory duct of the seminal vesicle, which enters the urethra at the prostate gland. 5. Prostate Gland: located just below the urinal bladder. Secretes alkaline and most of the seminal fluid. 6. Bulbourethral glands or Cowper’s Gland: adds alkaline fluid to the semen. 7. Urethra: the passageway for both urine and semen, extending from the bladder to the urethral meatus . (8 inches in long)
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