Term Name:	uterine spiral artery
Synonyms:	endometrial spiral arteriole, endometrial spiral artery, spiral arteries, spiral artery
Definition:	A corkscrew-like artery in premenstrual or progestational endometrium; uterine spiral arteries play a vital role in supplying nutrients to the placenta and fetus, and are thus remodeled into highly dilated inelastic vessels by the action of invading trophoblast (physiological change)
Ontology:	Uberon Ontology [UBERON:0015171]