(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
例句
用作名词 (n.)
This is normal secretory phase endometrium. 这是正常的分泌期的子宫内膜。
The level of androgen had no relation with endometrium hyperplasia. 雄激素水平的高低与子宫内膜增生无关。