Endometrium and Mucous membrane

Endometrium noun - (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.

Mucous membrane and endometrium are semantically related. In some cases you can use "Mucous membrane" instead a noun "Endometrium".

Mucous membrane noun - Mucus-secreting membrane lining all body cavities or passages that communicate with the exterior.

Endometrium and mucous membrane are semantically related. Sometimes you can replace term "Endometrium" with "Mucous membrane", this terms are similar.