Maternal and foetal circulation of the placenta.
D000818:Animals; D005260:Female; D000882:Haplorhini; D006801:Humans; D007047:Hysterosalpingography; D008431:Maternal-Fetal Exchange; D008833:Microcirculation; D010920:Placenta / Q000033:anatomy & histology; D011247:Pregnancy; D014599:Uterus / Q000098:blood supply