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42 terms

m/f repro parts and functions

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testes
paired, male, primary sex organ
seminiferous tubules
"sperm factories" in testes
scrotum
maintains lower temperature to keep sperm alive
interstitial cells
produce testosteron
cause of sterility
too high body temp
testicular
most common type of cancer in males ages 15-35
vasectomy
tie off vas deferens
epididimus
where sperm mature
ejaculatory duct
empties into urethra
vas deferens
stores sperm
vas deferens
connects epididimus w/ ejaculatory duct
penis
cylindrical organ in front of scrotum
glans penis
enlarged tip of penis
prepuce
penis foreskin
spongy tissue of penis
corpus spongiosum and corpus cavernosa
erection
occurs from increase blood flow to penis
impotency
failure to become erect
semen
thick white fluid containing sperm
seminal vessicles
secrete nutrients for viable sperm
prostrate glands
surrounds urethra and secretes alkaline fluid that aids sperm motility and survival
bulbourethral gland
secretes mucus for lubrication
acrosome
cap on the head of sperm
mitochondria
many of these in middle piece of sperm to produce atp
flagella
tail of sperm
fallopian tubes
extend from ovary to uterus, receive and store oocyte
uterus
muscular organ for embryo
cervix
opening in uterus that leads to vagina
vaginal canal
birth canal
ovaries
primary female sex organ, produce estrogen and progesterone
oocyte
immature egg
fimbriae
finger like extensions in fallopian tubes that sweep egg from ovaries. has cilia and egg moves by contractions
occur in oviduct
fertilization of egg, oogenesis, and zygote formation
body
major portion of vagina
cervical mucous
blocks entrance of sperm into vagina
endometrium
inner vascular layer of vaginal wall, forms placenta
myometrium
middle muscle layer of vaginal wall, contains oxytocin
perimetrium
outer layer of vaginal wall
vulva
collective external genitalia (female)
labia majora
encloses labia menora, clitoris, hymen
labia menora
extends from vaginal opening to clitoris
clitoris
erectile tissue, sensory nerve endings (female)
hymen
ring of tissue that partially closes vaginal opening