Term
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Definition
| process by which new individuals of a species are produced |
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Term
| male reproductive system consists of |
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Definition
1) testes
2) scrotum
3) penis
4) ducts
5) accessory glands |
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Term
|
Definition
| located within the scrotum |
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Term
|
Definition
1) produce testosterone
2) produce sperm |
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Term
| where does sperm production occur? |
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Definition
| within the seminiferous tubules of the testes |
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Term
| how many sperm mature per day? |
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Definition
| rate of about 300-400 million sperm per day |
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Term
| temperature of survival of sperm |
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Definition
| at a temperature about 3 degrees below body temperature (production and survival) |
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Term
| temperature of scrotum is controlled by |
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Definition
| cremaster muscle and testicular veins |
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|
Term
| cremaster muscle (description) |
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Definition
| continuation of the internal oblique |
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Term
| function of the cremaster muscle |
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Definition
| changes the location of the scrotum |
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Term
| testicular veins (description) |
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Definition
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Term
|
Definition
1) head
2) midpiece
3) flagellum |
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Term
|
Definition
1) acrosome
2) DNA
3) enzymes (like hyaluronidase) that help sperm penetrate the egg |
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Term
|
Definition
| lots of mitochondria to power the flagellum |
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Term
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Definition
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|
Term
| survival of sperm within female reproductive tract |
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Definition
|
|
Term
| when do the testes descend into the scrotum? |
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Definition
| during the 7th month of fetal development |
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Term
| testes originally develop as |
|
Definition
| retroperitoneal organs in the abdominopelvic cavity |
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Term
|
Definition
|
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Term
|
Definition
| engorgement of the erectile tissue with blood |
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Term
| ducts of male reproductive system |
|
Definition
1) epididymis
2) vas deferens
3) ejaculatory duct
4) urethra |
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Term
|
Definition
| site of final sperm maturation |
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|
Term
| uncoiled epididymis length |
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Definition
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Term
|
Definition
|
|
Term
| function of vas deferens during ejaculation |
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Definition
| propels sperm into urethra (via ejaculatory duct) |
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Term
| location of storage of sperm |
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Definition
| vas deferens; can store sperm for several months; sperm that are not ejaculated are reabsorbed |
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Term
|
Definition
| medical procedure in which the vas deferens is cut; close to 100% effective |
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Term
| length of ejaculatory ducts |
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Definition
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|
Term
| function of ejaculatory ducts |
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Definition
| ejects sperm into the urethra |
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Term
| formation of ejaculatory ducts |
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Definition
| by union of seminal vesicle and ampulla of a vas deferens |
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Term
|
Definition
1) prostatic urethra
2) membranous urethra
3) penile (spongy) urethra |
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Term
|
Definition
| carries both urine and semen out of the penis |
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Term
| accessory glands of male reproductive system |
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Definition
1) seminal vesicles
2) prostate gland
3) bulbourethral glands |
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Term
| location of seminal vesicles |
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Definition
|
|
Term
| function of seminal vesicles |
|
Definition
| secretes an alkaline fluid which contains fructose and prostaglandins |
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Term
| alkaline portion of seminal vesicle secretion (function) |
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Definition
| helps neutralize acidic environment of the female reproductive tract |
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Term
| fructose portion of seminal vesicle secretion (function) |
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Definition
|
|
Term
| prostaglandin portion of seminal vesicle secretion (function) |
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Definition
| causes contraction of uterus and fallopian tubes (aids in sperm motility) |
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Term
| location of prostate gland |
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Definition
|
|
Term
| secretion of prostate gland (function) |
|
Definition
| ~25% of semen; helps with sperm mobility and viability |
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|
Term
| location of bulbourethral glands |
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Definition
| located near the membranous urethra |
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Term
| secretion of bulbourethral glands (function) |
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Definition
| lubricates the end of the penis and neutralizes acidic urine in the urethra |
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Term
|
Definition
| mixture of sperm and accessory gland secretions |
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|
Term
| semen below 20 million sperm per mL |
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Definition
| chance of being infertile |
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Term
|
Definition
| between 50-150 million sperm per mL |
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Term
| reasons for large number of sperm |
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Definition
1) very few actually make it to the egg
2) need more than one to help break down barrier of egg |
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Term
| female reproductive system consists of |
|
Definition
1) ovaries
2) uterine tubes
3) uterus
4) vagina
5) external genitalia
6) mammary glands |
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Term
|
Definition
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|
Term
| where are oocytes contained? |
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Definition
|
|
Term
| how many follicles fully develop each month? |
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Definition
|
|
Term
| uterine tubes (fallopian) |
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Definition
| also called oviducts; transport eggs from ovaries to uterus |
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Term
| major structures of uterine tubes |
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Definition
1) infundibulum
2) fimbriae
3) ampulla
4) isthmus |
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Term
| oocytes must be carried through the uterine tubes by way of |
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Definition
1) peristaltic contractions of the smooth muscle lining of the uterine tubes
2) cilia of the epithelial lining of the uterine tubes |
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Term
| major structures of uterus |
|
Definition
1) fundus
2) body
3) cervix
4) endometrium |
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Term
|
Definition
| portion located above entrance of uterine tubes |
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Term
|
Definition
| central position; majority of uterus |
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Term
|
Definition
| portion which opens into the vagina |
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Term
|
Definition
| inner lining of the uterus that is shed during menstruation |
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Term
|
Definition
| passageway for menstrual flow, childbirth, and intercourse |
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Term
|
Definition
| stratified squamous epithelium |
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Term
|
Definition
| acidic; helps reduce the growth of bacteria/harmful to sperm |
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