noun, plural en·do·me·tri·a [en-doh-mee-tree-uh] /ˌɛn doʊˈmi tri ə/. Anatomy.
- the mucous membrane lining the uterus.
noun plural -tria (-trɪə)
- the mucous membrane that lines the uterus
1882, medical Latin, from endo- + Greek metra “uterus,” related to meter (see mother (n.1)).
n. pl. en•do•me•tri•a (-trē-ə)
- The glandular mucous membrane comprising the inner layer of the uterine wall.
Plural endometria
- The mucous membrane that lines the uterus. A fertilized egg must embed itself in the endometrium in order to develop into an embryo. See more at menstrual cycle.