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testes
produce sperm and testosterone
testosterone
promotes the development of secondary sex characteristics, accessory organs and muscle growth
scrotum
sac of skin containing testes-outside of the body
seminiferous tubules
300 to 600 coiled tubes where immature sperm are formed
epididymis
upper rear region in the testes that stores sperm until they’re mature (18 hours)
spermatogonia
primary sex cell
miotic division
produces more spermatogonia, divides throughout life
meiotic division
produces sperm cells, begins at puberty and ends at death
ductus vas deferens
tube that leads from the epididymis to the urethra in the penis
ejaculatory duct
tube that joins the ductus vas deferens, seminal duct and urethra
urethra
passage in penis that carries sperm or urine
semen
mixture of sperm and fluids from the seminal glands
seminal vesicles
two pouches glands found where the vas deferens meets the ejaculatory duct, produces seminal fluid
prostate gland
doughnut shaped structure that is divided by the urethra
corpora cavernosum
a pair erectile tissue masses surrounds the deep artery
corpora spongiosum
smaller single erectile tissue mass surrounding the urethra
glans penis
enlarged distal end of the penis
prepuce
foreskin, loose skin covering the glans penis
external urethral orifice
terminal slit-like opening of urethra
erection
blood build up in the erectile tissue causing swelling and elongation of the penis
emission
the mixing of sperm and seminal fluid forming semen in the urethera
ejaculation
muscular contractions causing and increase in pressure, forcing semen out of the penis
ovaries
produces eggs (ovum), estrogen and progesterone
estrogen
initiates the development of a females secondary sex characteristics
progestogen
keep the uterine lining thick and stimulate the menstral cycle
follicles
sac that contains eggs
oogenesis
formation of egg in the ovaries
oogonia
primary sex cell
meiosis
unequal division of the oocyte to form an ovum
ovulation
the break off of a mature egg from it’s follicle leaving the ovary
oviducts
4 in tube leading from each ovary to the uterus
fimbriae
fringe like projections at the oviduct opening
uterus
thick, pear shaped organ
endometrium
thin inner mucosal layer
myometrium
thick middle muscle layer
perimetrium
outer serosal layer
cervix
narrow wall leading from the vagina into the uterus
vagina
tube made of smooth muscle lined with mucous membrane, is the receptacle for the penis during sex
mon pubis
skin covered pad of fat covering pubic symphysis
labia
two layers of fatty tissue and gland
vestibule
area around labia minora
clitoris
composed of erectile tissue
vaginal orifice
opening to vagina