1/9/23 Flashcards
Testes
male gonad, made up of a series of coiled tubes.
where is the site of spermiogenesis
the testes
how much sperm do men produce every month
12 billion
what is the pouch that the testes are held in
scrotum
Epididymis
store sperm
Vas Deferens
transport sperm from the
epididymis to the urethra
glands
provide nutrients for the sperm, and to neutralize the acidic
environment of the female reproductive system
Urethra
tube through which semen exits the body
Penis
where semen exits the body
Of the millions of sperm released per ejaculation, about ____ will survive the trip to
the egg
200
how long does it take for a sperm to die
48 to 72 hours
Ovaries
the site of oogenesis / female gonad
what hormones do the ovaries release
progesterone + estrogen
Oviduct
also known as the Fallopian tubes, transport the egg from the ovary to the uterus. It is also the site of fertilization
Uterus
site of embryo / fetus development
Cervix
located at the bottom of the uterus, it is the opening to the uterus
Vagina/Birth Canal
where semen is depostied / the baby exits the uterus through this structure
how long does the menstraul cycle llast
28 days
Follicle Stage
lasts abt 14 days, fsh is released thru the pituitary gland and starts the development of
the follicle and immature egg in the ovary
As ____ levels
increase, the levels
of ____ decrease
(negative feedback)
As estrogen levels
increase, the levels
of FSH decrease
(negative feedback)
Ovulation
It is at this stage that
the follicle ruptures
and releases a mature
egg (ovum).
Corpus Luteum Stage
LH (leuteninzing hormone) is released by the pituitary
gland and converts the ruptured follicle into the corpus
luteum/ lasts abt 10 days
Gestation Period
This is the time spent developing within the uterus
first trimester (months 0 - 3)
The organs and organ systems are starting to
develop during this time period.
