title: Comparative ultrastructure of the mammalian amnion.
mesh_terms: D000650:Amnion / Q000033:anatomy & histology* / Q000276:immunology; D000717:Anatomy, Comparative; D000818:Animals; D005260:Female; D006168:Guinea Pigs; D000882:Haplorhini; D006801:Humans; D008854:Microscopy, Electron; D010873:Pinocytosis; D011247:Pregnancy; D011270:Pregnancy, Animal; D051381:Rats