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词汇
胎盤
释义
胎盤
tāi pán
哺乳動物的胎兒與母體交換物質的器官。人類由胎兒的葉狀絨毛膜和母體子宮內膜形成的基蛻膜組成,扁圓形,經臍帶與胎兒連接,通過絨毛的滲透作用維持胎兒的營養、呼吸和排泄,並分泌激素促進子宮和乳腺的生長placenta
简体胎盘
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更新时间：2025/11/13 12:56:04