Term
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Definition
| the production of a new individual for the propagation of the species |
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Term
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Definition
| organs which are responsible for the production of sex |
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Term
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Definition
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Term
| What is a gamete and what are the male/female ones? |
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Definition
| the haploid reproductive sex cells. Sperm and ova |
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Term
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Definition
| a cutaneous pouch which contains the testicles |
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Term
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Definition
| a median ridge ( external ) on scrotum |
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Term
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Definition
| a loose C.T. wall which divides the scrotum into two compartments each containing one testicle |
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Term
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Definition
| a subcutaneous muscle of the scrotum which is also a part of the septum. This muscle causes the skin of the scrotum to wrinkle. |
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Term
| cremaster muscle? (long definition) |
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Definition
| a continuation of the internal oblique muscle which surrounds each of the spermatic cords and testicles. It functions in controling the temp. of the testes which need to be kept at a temperature of Å3 degrees lower than body temperature for maximum production of sperm. It does this by raising the testes during sexual arousal and upon exposure to the cold, and by lowering the testes away from the body when they get too warm. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| an outpocketing of the parietal peritoneum which becomes a serous covering of the testicle |
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Term
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Definition
| a white fibrous capsule which covers each testicleand invaginates to form septa "walls" which divide the testes into compartments called lobules (200 - 300). |
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Term
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Definition
| , highly coiled tubules which occupy the lobules. These tubules are the sites of sperm production. |
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Term
| Interstitial endocrinocytes |
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Definition
| cells, located in the spaces between the tubules, which are responsible for the secretion of the male hormone. |
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Term
| How many sperm produced a day? |
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Definition
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Term
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Definition
| 46 chromosomes is diploid and 23 is haploid |
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Term
| Whats the head of the sperm? |
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Definition
| contains paternal DNA and an enzyme called hyaluronidase which aids the sperm in penetrating into the oocyte. |
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Term
| WHats at the midpiece of a sperm? |
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Definition
| - contains mitochondria which use the sugar fructose to produce ATP for locomotion |
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Term
| Whats the tail of the sperm? |
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Definition
| flagellum used to propell the sperm along its way |
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Term
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Definition
| highly coiled tubule (~20 ft.) which lies on the posterior border of the testicle. This is an area where the sperm are stored and under-go final maturation. |
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Term
| whats ductus/vas Deferens? |
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Definition
| a tubule which carries sperm away from the epididymis toward the male urethra. |
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Term
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Definition
| portion of the tubule is removed and the two ends are tied off. |
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Term
| superficial inguinal ring? |
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Definition
| - a hole in the abdominal wall through which the spermatic cord passes. It is a weak spot in the floor of the abdomen which can tear open causing an inguinal-hernia. |
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Term
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Definition
| the ductus deferens joins a duct from the seminal vessicle and enters the prostate as the ejaculatory duct. |
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Term
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Definition
| glands which secrete most of the liquid portion of semen |
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Term
| What are seminal vesicles? What percentage of semen is it? |
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Definition
| on the posterior surface of the urinary bladder; they secrete a viscous, alkaline fluid rich in fructose. The alkalinity helps to neutralize the acidity of the females reproductive tract. 60% of semen volume |
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Term
| prostate gland? How much semen volume? |
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Definition
| a single, doughnut-shaped gland about the size of a chestnut; it is inferior to the urinary bladder. It secretes a milky, slightly acidic fluid containing citric acid, and several clotting enzymes to coagulate the semen shortly after ejaculation. (30% of semen vol.) |
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Term
| bulbourethral gland? semen Percentage? |
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Definition
| about the size of a pea; they secrete an alkaline fluid to neutralize the acidity of the male urethra, and mucus which lubricates the urethra as well as serving as a lubricant during sexual intercourse. ( 5% of semen vol. ) |
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Term
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Definition
| a mixture of sperm and the secretions from the accessory glands. This is a volume of about 2.5 to 5 ml. with 50 to 150 million sperm per ml. |
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Term
| What does sterility depend on? |
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Definition
| 1) # of sperm 2) size and shape of the sperm 3) presence of hyaluronidase to dissolve the hyaluronic acid around the ovum. 4) motility (tails) |
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Term
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Definition
| male copulatory organ; functions in urination and copulation (ejaculation). |
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Term
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Definition
| the top (dorsolateral) two cylinders of penis tissue |
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Term
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Definition
| the lower (midventral) cylinder of penis tissue |
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Term
| What fills with blood when you get a boner? |
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Definition
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Term
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Definition
| "acorn" at the head of the penis |
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Term
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Definition
| a loose fitting flap of skin covering the glans. |
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Term
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Definition
| Female gonads and sex organs |
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Term
| What is produced by oogenesis? |
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Definition
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Term
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Definition
| germinal epithelium - (simple cuboidal epithelium ) |
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Term
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Definition
| a mature ovum and its surrounding tissues; secretes estrogen |
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Term
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Definition
| produces progesterone and estrogens |
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Term
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Definition
| the opening into the fallopian tube |
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Term
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Definition
| also called the womb, pear shaped, the site of implantation and development of a fetus |
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Term
| What are the layers of the uterus? |
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Definition
| Peri, Myo, and Endometrium |
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Term
| What forms the stratum functionalis? And when is it shed? |
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Definition
| Stratum Basalis forms it, and it sheds during menstruation |
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Term
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Definition
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Term
| The external opeing of the vagina? |
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Definition
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Term
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Definition
| a membranous sheet of tissue which may form a border around the orifice |
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Term
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Definition
| External genitalia of female |
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Term
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Definition
| is an elevation of adipose tissue which cushions the pubic symphysis during sexual intercourse |
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Term
| Whats homologous to the scrotum of a male in the female? |
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Definition
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Term
| WHats the female erectile tissue? |
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Definition
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Term
| what are milk-secreting glands? |
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Definition
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Term
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Definition
| pertains to the changes in the endometrium of a non-pregnant female. The stratum functionalis of the endometrium is shed. |
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Term
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Definition
| monthly events associated with the maturation of an ovum |
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Term
| Whats estrogen responsible for? 6 things |
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Definition
| 1)female reproductive structures 2)secondary sex characteristics 3)the breasts 4)endometrial lining of the uterus 5)control fluid and electrolyte balance 6)increase protein anabolism |
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Term
| What are the time span of menstrual cycle? |
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Definition
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Term
| What is discharged in menstrual cycle? |
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Definition
| 25 to 65 ml of blood, tissue fluid, mucus and epithelial cells. |
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Term
| Whats Preovulatory phase? How long does it last? |
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Definition
| time between menstruation and ovulation, 6 to 13 days |
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Term
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Definition
| rupture of the Grafian follicle and release of the ovum |
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Term
| First menus and last menus? when does it become less frequent? |
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Definition
| menarche and menopause. climacteric makes it less frequent |
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