week 12 - female reproduction Flashcards
role of ovaries?
secrete hormones (estrogen & progesterone)
role of fallopian tubes?
fertilisation
roles of uterus?
- harbours embryo/fetus
- mucous plug allows sperm NOT pathogens
what are the layers of the uterine wall?
- endometrium
- myometrium
- perimetrium
role of vagina?
- secretion
- acidic
role of perineum?
structures of support
components of ovaries?
- cortex: ovarian follicles, oogenesis
- medulla: connective tissue
- ovarian follicles: primordial (accommodates immature egg cells)
- mature follicles: theca cells, ovulation
- corpus luteum (‘yellow body’): hormone factory
- corpus albicans (‘white body’): if pregnancy doesn’t occur, corpus luteum degenerates into corpus albicans
effects of estrogen?
prepares body for intercourse & conception
effects of progesterone?
prepares body for pregnancy & helps maintain it
what is the ovarian cycle?
Day 1: first day of uterine bleeding
Day 1 - 13: FSH produced by anterior pituitary, estrogen concentration increases
Day 14: ovulation
Day 26: no baby = corpus luteum to corpus albicans
what is the menstrual cycle?
Day 1 - 5: endometrium is sloughed off (menstrual bleeding)
Day 6 - 14: proliferative phase, endometrium thickens
Day 15 - 28: secretory phase