noun🔗Share羊膜類Any of the Amniota group of vertebrates having an amnion during the development of the embryo; mammals, birds and reptiles."Because their embryos develop inside protective membranes, including the amnion, humans, chickens, and lizards are all considered amniotes. "胚が羊膜を含む保護膜の中で発達するため、人間、鶏、トカゲはすべて羊膜類と見なされます。organismanimalbiologyscienceChat with AIVocabulary GamePractice Reading