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What has the most hormonal influence over menstrual cycle?
What hormones are secreted from the Pituitary?
- Follicle Stimulating Hormone (FSH)
- Luteinsing Hormone (LH)
What hormone is produced by the hypothalamus?
Gonadotropin-releasing hormone (GnRH)
What are the gonadal homones that are produced by the Ovary? What do they act on?
- Estrogen, Progesterone
- Act on Uterus
What are the four phases of the Ovarian Cycle?
- 1. Follicular Phase
- 2. Ovulation Phase
- 3. Luteal Phase
- 4. Menses
What does the FSH stimulate during follicular phase?
The development of ovarian follicles, the production of estrogen by its follicular cells, stimulates synthesize LH receptors
What is the role of FSh in the menstrual cycle?
Stimulate follicle growth
What is the role of LH in the menstrual cycle?
removes meiosis inhibitor
What are the primodal, primary, and secondar follicles?
They protect the oocyte in the ovary
What are the primary and secondary oocytes?
- primary is pre ovulation
- secondary is post ovulation
what cells secrete estrogen?
When does ovulation happen?
day 14 LH surge
what would happen if fertilization fails?
endometrium dies (menstration)