noun ダウンロード 🔗共有 脊索 A flexible rodlike structure that forms the main support of the body in the lowest chordates; a primitive spine Examples : "Even though humans develop a vertebral column, in the early stages of embryonic development, we possess a notochord, a flexible rod that provides support. " 人間は脊椎を発達させますが、発生初期の段階では、支持を提供する柔軟な棒である脊索を持っています。 anatomy biology organism animal body part structure AIとチャット語彙ゲーム読解練習
noun ダウンロード 🔗共有 脊索 A similar structure found in the embryos of vertebrates from which the spine develops Examples : "During development, the embryo of a fish has a notochord, which is eventually replaced by a spine. " 発生中、魚の胚は脊索を持ち、最終的に脊椎に置き換わります。 anatomy biology organism body part structure science physiology AIとチャット語彙ゲーム読解練習
