The remains of the corpus albicans may persist as a scar on the surface of the ovary.
2.
It acts on the corpus luteum to cause luteolysis, forming a corpus albicans and stopping the production of progesterone.
3.
As the corpus luteum is being broken down by macrophages, fibroblasts lay down type I collagen, forming the corpus albicans.
4.
Alternatively if no implantation of a blastocyst occurs, the corpus luteum is degraded to a corpus albicans ( scar tissue ) by PGF2alpha released by uterine endometrial cells.
5.
However, in placental animals such as humans, the placenta eventually takes over progesterone production and the corpus luteum degrades into a corpus albicans without embryo / fetus loss.
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