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). [ http://www.informatics.jax.org/accession/anna MP:0012726 J:117841 J:100668 ]
Synonyms: endometrial spiral artery endometrial spiral arteriole
Term information
- SCTID:24628006
- Wikipedia:Spiral_artery
- EMAPA:36612
- UMLS:C1519470
- BTO:0003371
- NCIT:C33592
pheno_slim, human_reference_atlas
In women, rats and mice, the endometrial vessels are coiled and known as spiral arteries[PMID:16413937].