Term
| gonads or primary sex organs |
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Definition
| testes in males and ovaries in females |
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Term
| tunica albuginea, white coat |
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Definition
| fibrous connective tissue capsule surrounds each teste |
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Definition
| extensions of the tunica albuginea that divide it into lobules |
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Definition
| contains one to four tightly coiled seminiferous tubules |
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Definition
| sperm producing factories |
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| tubules located at one side of the testies, sperm travel through these to enter the epididymis |
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Term
| interstitial cells of testes |
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Definition
| functionally distinct cells that produce androgens, most importantly testosterone |
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Definition
| comma, shaped highly coiled tube about 20 feet long that caps the superior part of the testes and then runs down its posterolateral side |
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Term
| ductus deferens, vas deferens |
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Definition
| runs upward from the epidiymis through the inguinal canal into the pelvic cavity and arches over the superior aspect of the urinary bladder |
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Definition
| encloses the vas deferens in a connective tissue sheath |
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Definition
| end of the ductus deferens emptys here |
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Term
| Main function of the ejaculatory duct? |
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Definition
| Propells live sperm from their storage sites, the epidiymis and distal part of the ductus deferens into the urethra. |
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Term
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Definition
| to cut through or cauterizes the ductus deferens |
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Term
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Definition
| tube that extends from the base of the urinary bladder to the tip of the penis, terminal part of the male duct system |
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Term
| Three regions of the urethra? |
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Definition
| 1. prostatic urethra 2. membranous urethra 3. spongy (penile) urethra |
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Definition
| part of the urethra surrounded by the prostate |
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Definition
| part of the urethra spanning the distance from the prostatic urethra to the penis |
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Definition
| part of the urethra running the length of the penis |
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Term
| Accessory glands of the penis |
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Definition
| seminal vesicles, prostate gland, bulbourethral glands |
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Term
| What do seminal vesicles do? |
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Definition
| Located at the base of the bladder, produce about 60& of the fluid volume of semen. |
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Term
| Seminal vesicles fluid consists of? |
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Definition
| Thick yellowish secretion is rich in sugar (fructose), vitamin c, prostaglandins. |
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Term
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Definition
| single gland about the size and shape of a chestnut. Encircles the upper part of the urethra just below the urinary blader. |
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Term
| Prostate gland secretions. |
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Definition
| Milky fluid that plays a role in activating sperm. |
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Term
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Definition
| tiny pea-sized glands inferior to the prostate gland |
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Term
| Bulbourethral gland secretions |
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Definition
| thick, clear mucus that drains in the the penile urethra |
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Term
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Definition
| milky white somewhat sticky mixture of sperm and accessory gland secretions |
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Term
| What does fructose in the seminal vesicle secretion do? |
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Definition
| provides essentially all of the energy fuel for sperm |
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Definition
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Definition
| an antibiotic chemical that inhibits bacterial multiplication |
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Term
| Amount of semen per ejaculation? |
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Definition
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Term
| Amount of sperm per ejaculation? |
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Definition
| 50 and 130 million in each ml |
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Term
| external genitalia of male |
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Definition
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Definition
| is a divided sac of skin that hans outside the abdominal cavity between the legs and at the root of the penis |
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Definition
| shaft, glans penis, prepuce (foreskin) |
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Definition
| designed to deliver sperm into the femal reproductive tract |
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| foreskin coveres glans penis |
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Definition
| a spongy tissue that fills with blood during sexual excitement |
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Term
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Definition
| when penis enlarges and becomes rigid |
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| primitive stem cells in male reproduction |
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| What effect does FSH have in the male body? |
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Definition
| during puberty this is secreted in increasing amounts by the anterior pituitary gland |
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Term
| What happens to Spermatogonia after puberty? |
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Definition
| Each division produces a type A daughter cell and type B daughter cell |
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Term
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Definition
| remains at the tubule periphery ot maintain the stem cell population |
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Term
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Definition
| gets pushed toward the tubule lumen where it becomes primary spermatocyte |
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Term
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Definition
| undergoes meiosis and forms four sperm |
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Term
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Definition
| special type of nuclear division that occurs for the most part only in the gonades |
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Term
| How does meiosis differ from mitosis? |
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Definition
| consists of two successive divisions of the nucleus and results in four (instead of two) daughter cells |
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Definition
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| in spermatogenesis the gametes are called this |
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