Wiktionary
endometria
n. (plural of endometrium English)
WordNet
endometria
See endometrium
endometrium
n. (pregnancy) the mucous membrane that lines the uterus; thickens under hormonal control and (if pregnancy does not occur) is shed in menstruation; if pregnancy occurs it is shed along with the placenta at parturition
[also: endometria (pl)]
Usage examples of "endometria".
Most other female mammals simply reabsorb their endometria, why should dark ages humans have to be different?