A&P 2 -- Chapter 16 Male Rep. System Test
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each of the black spaces below before clicking
on it to display the answer.
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2 Primary organs of the male reproductive system | Testicles and Scrotum
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Testicles (testes) | Produce sperm and secrete testosterone
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Scrotum | External sac that houses the testicles and acts as climate control
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Gametes | Sex cells (males -- sperm; females -- ova)
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Gonads | Sex glands (males -- testicles; females -- ovaries)
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Semen | The end product of combined secretions from seminal vesicle, prostate and Cowper's glands and ducts of the male reproductive system
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Journey of the Sperm (9 points) | 1. Seminiferous tubules 2. Epididymus 3. Vas Deferans 4. Seminal Vesicle 5. Ejaculation duct 6. Prostate gland 7. Cowper's gland (aka bulbourethral gland) 8. Urethra 9. Penis
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Seminiferous tubules | Specialized coils of tiny tubules responsible for production of sperm
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Epididymus | Tightly coiled tubule that stores sperm until mature, in preparation for ejaculation
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Vas deferans | Narrow, straight tubes that transports sperm from the epididymus to the pelvic cavity just behind the bladder
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Seminal vesicle | Pair of small sac-like pouches that attach the vas deferans near the base of the bladder. Secretes and produces fructose that provides source of energy to help move sperm
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Ejaculatory duct | Created when seminal vesicle duct merges with vas deferans and empties into the urethra
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Prostate gland | Walnut-shaped, located below urinary bladder infront of rectum; contributes add'l fluid to ejaculate which helps with motility and nourishment for sperm
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Cowper's/bulbourethra gland | Pea-sized structures located on sides of the urethra below the prostate gland, produce clear fluid that serves as lubricant for intercourse
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Urethra | Extends down the length of penis, opens at urinary meatus of the glans penis, carries/empties urine from bladder, carries/expels semen, flow of urine is blocked from urethra, allowing only semen to be ejaculated
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Penis | Contains urethra, attaches to the wall of the abdomen, the body/shaft and the glans
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Foreskin (prepuce) | Loose, retractablle fold of skin that covers the tip of the penis
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Circumcision | Surgical removal of prepuce
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Smegma | Waxy, odorless substance secreted by small gland in the foreskin
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Vasectomy | Surgical procedure performed on the vas deferans to prevent ejaculation of sperm. Book also calls this sterilization
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Sterilization | Cannot reproduce
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Flacid | Weak, lack of muscle tone
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Epispadias | Urethra opens on the upper side of the penis
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Hypospadias | Urethra opens on the lower side of the penis
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Hydrocele | Build up of fluid in scrotum
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Impotence | Inability to get or sustain an erection
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Phimosis | Tightness of prepuce/foreskin
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Balanitis | Inflammation of the glans penis
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Orchitis | Inflammation of the testicles
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Anorchism | Absence of one or both testicles
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