title: Ultrastructure of Capillaries in the villi of human placenta.
mesh_terms: D002196:Capillaries / Q000648:ultrastructure*; D002824:Chorionic Villi / Q000098:blood supply* / Q000648:ultrastructure; D005260:Female; D006801:Humans; D010920:Placenta / Q000098:blood supply*; D011247:Pregnancy; D013997:Time Factors