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Repro system CCC
Reproductive system CCC PN105
| Question | Answer |
|---|---|
| gametes | sex cells |
| sperm | male sex cell |
| ova (egg) | female sex cell |
| zygote | when gametes unite; 1 sperm, 1 ova to fertizile |
| male essential organs | gonads (testes) |
| testes produce | sperm |
| male accessory organs | ducts, sex glands, external genitals |
| testes located | in scrotum |
| for survival, testes need | 3 degree lower temp than body |
| spermatogenesis | sperm production |
| sperm production is done in | interstitial cells in testes |
| interstitial cells stimulate.... | protein production anabolisn and development of muscle strength |
| male ducts | passageways |
| types of ducts | epididymis and vas deferens ductus |
| epididymis | 6 m long, where sperm matures and develops while passing through |
| epididymis location | above and behind testes in scrotum |
| vas deferens ductus | receives and transports sperm |
| vas deferens location | over bladder |
| path of sperm | epididymis, vas deferens ductus, ejaculatory duct, urethra |
| male accessory glands function | responsible for production of semen |
| ejaculation | 3-5 mL each time; 100,000,000 sperm included |
| seminal vescicle | produces 60% of semen volume |
| prostate gland | produces 30% of semen volume |
| prostate location | below bladder, urethra passes through it, shaped like a donut |
| bulbourethral gland (Cowpers gland) | size of pea, secretes mucus-like fluid, less than 5$ of seminal fluid |
| male external genitals | penis and scrotum |
| parts of scrotum | testes and epididymis |
| male erectile tissue | 3 columns, 2 dorsal, 1 ventral |
| glans penis | tip of penis covered by prepuce |
| prepuce | foreskin of penis |
| circumcision | removal of foreskin |
| female essential organs | ovaries (gonads) |
| function of ovaries | produce ova |
| female accessory organs | ducts, modified ducts, sex glands, external genitals |
| ovaries | paired glands shaped like large almonds weighing 3g each |
| ovary location | attached to uterus by pelvic ligaments |
| oogenesis | production of ova |
| ovaries glands produce these hormones | estrogen and progesteron |
| female ducts | uterine tubes, uterus, vagina, bartholin gland, breasts |
| uterine tubes (ova ducts) | 10 cm long from uterus, expanded distal end with mucosal line continuous to abdominal cavity |
| uterus | made completely of muscle that expands during pregnancy, size of apple |
| parts of uterus | body, fundus, cervis |
| fundus | pouch shaped, top portion of uterus |
| cervix | narrow, lower portion of uterus |
| location of uterus | in pelvic cavity behind bladder |
| myometrium | muscle layer of uterus |
| endometrium | membrane lining of uterus, shed during menstruation |
| vagina | distendable tube, 10 cm long, between bladder and rectum |
| bartholin gland (greater vestibular gland) | secretes mucous like lubricant, located between labin minora |
| breasts | contain lactiferous ducts that drain at nipple that is surrounded by areola |
| size of breasts | determined by fat quantity, not amount of glandular tissue |
| female external genitals | vulva, perineum |
| parts of vulva | mons pubis, clitoris, vagina, labia minora, labia majora, hymen, orifice of urethra, bartholins gland |
| clitoris | female erectile tissue |
| perineum | area between vaginal opening and anus |
| menstrual cycle | involves many changes in uterus, ovaries, vagina, and breasts |
| menses | first 4-5 days of menstrual cycle, shedding of endometrium with bleeding |
| length of menstrual cycle | 28 days, can vary month to month and individually |
Created by:
cmp12345
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