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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

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