"the inner germ layer that develops into the lining of the digestive and respiratory systems"@en-us . . . . . . . "the inner germ layer that develops into the lining of the digestive and respiratory systems"@en-us . . "0"^^ . . . "0"^^ . "endoderm"@en-us . . . "entoderm"@en-us . . "101464573"^^ . . "101387820"@en-us . . "01464573-n"^^ . "endoderm"^^ . . "hypoblast"@en-us . "endoblast"@en-us . . "entoblast"@en-us .