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renal papillae,papillae renales
位于肾髓质,即肾锥体的尖端部分,外形圆钝,朝向肾窦。有时一个肾乳头由2-3个肾锥体合成。乳头的顶端有许多小孔,称为乳头孔,肾形成的尿液经乳头孔流人肾小盏内。