adenomyosis adenomyosis /ædɪnoʊmaɪˈoʊsɪs/

noun

1. The presence of endometrium elsewhere than in the lining of the uterus; causes premenstrual pain and dysmenorrhea  ( adenomyosis , endometriosis )
   the presence of endometrium elsewhere than in the lining of the uterus; causes premenstrual pain and dysmenorrhea