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Noun: endometrium (endometria)  ,en-dow'mee-tree-um
  1. (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

Derived forms: endometria

Type of: mucosa, mucous membrane

Part of: uterus, womb

Encyclopedia: Endometrium