"0"^^ . . . . "thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)"@en-us . "thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)"@en-us . "amnion"@en-us . . . . . "101395602"@en-us . . "101472638"^^ . . . "amnion"^^ . "amniotic sac"@en-us . . . "amnios"@en-us . "01472638-n"^^ . . . . . . . "100996776"@en-us . . . . . . "0"^^ . . .