劍橋詞典a hollow or narrow opening in an organ through which nerves , blood vessels , and tubes enter and leave （拉丁語(yǔ)，用于醫(yī)學(xué)術(shù)語(yǔ)，血管和神經(jīng)進(jìn)入器官的凹陷處的通稱）門 the renal hilum 腎門 返回 hilum