A
. Estrogen from
growing follicle
stimulates regrowth of
endometrium.
B
. Progesterone
from corpus
luteum
stimulates
secretion of
endometrial
glands.
C
. Corpus luteum
depends on LH -
Negative feedback by
E and P inhibits LH and
CL degenerates.
Menstrual cycle
A
B
C
Preparation
of the Uterus
Hypothalamus/pituitary
Ovary
Uterus
Estrogen
Progesterone
CL
GnRH
*
*
*
Langman’s Medical Embryology, 8th ed., TW Sadler Lippincott, Williams & Wilkins (Philadelphia) 2000, p. 46 (revised)
Coordinated events
Focus on uterus (endometrium)
ON BOARD
Hypoth/pit
Ovary
uterus
Follicular - Luteal
Proliferative - Secretory
