Human Reproductive Considerations Flashcards
6 events of menstrual cycle
- menstruation
- follicle growth
- ovulation
- CL formation and function
- endometrial growth and secretion
- luteolysis
What are the key differences from estrous cycles (3)
- Monthly sloughing of endometrium in absence of pregnancy
- No defined period of sexual receptivity
- Longer follicle phase in menstrual cycle
2 ovarian events during menstrual cycle
- Follicular phase
2. Luteal phase
Follicular phase starts on day __ of menses and ends at __
- day 1
- ovulation
Menstrual follicular phase is __than that in estrous cycles
longer
How long is the menstrual follicular phase?
14 days approx
The follicular phase is more __ between individuals than the luteal phase
variable
Which species’ CL secretes more estradiol than other species?
primate
Luteolysis occurs in and concludes the __ phase
luteal
Luteolysis is
the endometrial sloughing which initiates next menstrual cycle
What initiates luteolysis?
drop in progesterone
2 uterine events during menstrual cycle
- Proliferative phase
2. Secretory phase
Proliferative phase time coincides with __ __
Follicular phase
During the proliferative phase, there is an __ in endometrial __ in response to __
Increase in endometrial thickness in response to estradiol
Endometrial cells divide by __
mitosis