noun ダウンロード 🔗共有 内胚葉 One of the three tissue layers in the embryo of a metazoan animal. Through development, it will produce the digestive system of the adult. Examples : "The endoderm, one of the early layers of cells in a developing embryo, will eventually form the intestines and other parts of the digestive system. " 発生中の胚における初期の細胞層の1つである内胚葉は、最終的に腸や消化器系の他の部分を形成します。 anatomy biology organism animal body organ physiology AIとチャット語彙ゲーム読解練習