the.com/endometrium
The uterus's monthly renovation project: build it up, tear it down, repeat.
means The inner lining of the uterus that thickens to nest an embryo and sheds as a period when none arrives.
from From Greek endon meaning within and metra meaning womb — literally the inside of the womb.
Total rebuildFully regenerates roughly every menstrual cycle
Implant zoneWhere a fertilized egg burrows in to grow
Period sourceIts shedding is the menstrual bleed itself
Cancer linkEndometrial cancer is a common uterine malignancy