title: The subplacenta of the beaver (Castor canadensis).
mesh_terms: D000818:Animals; D002824:Chorionic Villi / Q000033:anatomy & histology; D005260:Female; D010920:Placenta / Q000033:anatomy & histology* / Q000502:physiology; D011247:Pregnancy; D012377:Rodentia / Q000033:anatomy & histology*