noun ダウンロード 🔗共有 直腸 The terminal part of the large intestine through which feces pass after exiting the colon. Examples : "After the meal, the child experienced discomfort in their rectum. " 食事の後、子供は直腸に不快感を覚えました。 anatomy organ body medicine physiology AIとチャット語彙ゲーム読解練習