Placentation of the sea otter.
D000818:Animals; D002335:Carnivora; D010064:Embryo Implantation; D004717:Endometrium / Q000033:anatomy & histology; D005321:Extraembryonic Membranes / Q000033:anatomy & histology*; D005260:Female; D005333:Fetus / Q000033:anatomy & histology; D010920:Placenta / Q000033:anatomy & histology* / Q000166:cytology*; D011247:Pregnancy; D011270:Pregnancy, Animal; D014470:Umbilical Cord / Q000033:anatomy & histology; D014599:Uterus / Q000033:anatomy & histology