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function_of_male_reprod_1_

function_of_male_reprod_1_ - Following storage in the...

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Structure and function of the Male Reproductive System The male reproductive system consists of the primary organs, the testes, suspended within a sac of skin, the scrotum; a series of ducts; and a number of glands. Development of the male germinating cells (sperm) in the testes requires a temperature of about 35 degrees Celsius (95 degrees Fahrenheit), and this is achieved by their presence in the scrotum-- some distance away from warmer body cavities. The temperature within the scrotum can be adjusted slightly by the action of smooth muscle in its walls. The scrotal walls around the testes contract to keep the testes warm, and relax to dissipate heat when the temperature gets too warm.
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Unformatted text preview: Following storage in the epididymis, sperm cells move through the vas deferens passing through the abdominal wall and pelvic cavity to enter the prostatic urethra via the pencil-point shaped ejaculatory duct. Here the nutrient-rich secretions of the prostate gland and seminal vesicles are added to the population of sperm, forming semen. Prior to the release of the semen (ejaculation), the cowper’s gland secretes a lubricating fluid, which lubricates the urethra. The urethra passes through three distinct structures; the prostate gland, the urogenital diaphragm, and the spongy body of the penis....
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