title: Anatomy of foetal blood vessels on the chorial surface of the human placenta. IV. With absence of one umbilical artery.
mesh_terms: D005260:Female; D006801:Humans; D008722:Methods; D010920:Placenta / Q000098:blood supply*; D010922:Placenta Diseases; D011247:Pregnancy; D011248:Pregnancy Complications; D014469:Umbilical Arteries / Q000002:abnormalities*; D014471:Umbilical Veins