uterine sinus


u·ter·ine si·nus

a small irregular vascular channel in the endometrium, of a type that forms during pregnancy. Synonym(s): uterine sinusoid

u·ter·ine si·nus

(yū'tĕr-in sī'nŭs) A small, irregular vascular channel in the endometrium, of a type that forms during pregnancy.