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The corpus luteum is located in the ovary.
Prostaglandin F2α is responsible for the luteolysis of the corpus luteum.
It becomes the corpus luteum.
A regressing corpus luteum indicates that the egg was not fertilized. As the corpus luteum regresses it loses its capacity to produce progesterone. A regressed corpus luteum is termed as corpus albicans. The lack of progestorone, which leads to the shedding of the uterine lining, is responsible for the menstrual cycle.
The corpus luteum produces progesterone, which is a very important hormone for maintaining pregnancy. A corpus luteum or "yellow body" occurs after the mature follicle has been released from the ovum, then cells of the follicle change into the corpus luteum.
The corpus luteum is the area from which the mature egg broke free from the ovary during ovulation. The corpus luteum produces progesterone which is responsible for the uterine lining build-up.
corpus luteum
Progesterone is the primary hormone produced in the corpus luteum. Secondary is estrogen.
The main function of the corpus luteum is to produce progesterone, which increases the body temperature in preparation for the fertilized egg. Therefore, without a functioning corpus luteum there would be no increase in progesterone or temperature.
chorionic gonadotropin source http://www.vivo.colostate.edu/hbooks/pathphys/reprod/fert/mrop.html
The corpus luteum prepares to become a corpus albicans
If the egg is not fertilized, the corpus luteum stops secreting progesterone and decays (after approximately 14 days in humans). It then degenerates into a corpus albicans, which is a mass of fibrous scar tissue. Progesterone will not be secreted, if corpus luteum will not degenerate.