- tunica mucosa (endometrium)
- The mucous membrane lining of the uterine cavity that is hormonally responsive during the menstrual cycle and pregnancy. The endometrium undergoes cyclic changes that characterize menstruation. After successful fertilization, it serves to sustain the developing embryo.
Definition from: MeSH via Unified Medical Language System at the National Library of Medicine
- The layer of tissue that lines the uterus.
Definition from: Physician Data Query via Unified Medical Language System at the National Library of Medicine
See also Understanding Medical Terminology.