Placentation and associated aspects of gestation in the bonnethead shark, Sphyrna tiburo.
D000818:Animals; D010064:Embryo Implantation; D005260:Female; D005306:Fertilization; D008431:Maternal-Fetal Exchange; D010057:Oviducts; D010920:Placenta / Q000033:anatomy & histology / Q000502:physiology*; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000502:physiology*; D012754:Sharks / Q000502:physiology*; D014599:Uterus / Q000033:anatomy & histology