8 physiology menstrual cycle Flashcards
oocyte is
egg
function of menstrual cycle
menstruation + reproduction
how many eggs in puberty
500k
phases of ovarian cycle
follicular
ovulatory
post ovulaluteal
follicular phase including days
hormones signal 10 to 20 follicles to grow on ovaries
days 1-10
fsh does what during this phase
increases then fall after threshold is met
why fsh does this
1 follicle grows
ovulatory phase days
11 - 14
ovulatory phase process
oocyte divides
follicle wall thins
oocyte enters abdominal cavity of fallopian tube
shortly before ovulation what happens
fimbraie swell on surface of ovaries
post ovulaluteal phase
ovulation haemorrhage occur in follicle remains
ovulation haemorrahage turns to
corpus haemorrhagicum
yellow marks
transition to granulosa lutein celss
if fertilised corpus luteum secrtes
progesterone
progesterone does what
maintains uterine lining
gonadotropins act on
ovaries directly
estrogens affect
maturation of reproductive ogans
menstration
pregnancy
actions of estrogen
stimulate oogenisis + follicular development
sex charaqcteristics
maintain characteristics
stimulate bone growth
profilerative phase
fluid retention by kidneys
induce experssion of uterine progesterone receptor and granulosa cells
actions of progesterone
protomes secretory phase
supress uterine contractile activity during pregnancy
growth glandular tissue in breasts
uterine size shape position
pear shape
30-40g
anteflex
20% retroflex
ligaments of uterus
round ligament
broad
lateral
uterosacral
uterus function
transport sperm from sire of deposition to uterine tube of fertilisation
provides environment for
implantation in embryo
nourishment during pregnancy
