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hemorrhoids
释义
hemorrhoids
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医学
痔
释
hemorrhoids
痔
直肠末端黏膜下和肛管及肛缘皮下静脉丛发生扩大、曲张所形成的柔软静脉团,或肛垫病理性肥大、移位及肛周皮下血管丛血流瘀滞形成的团块。又称痔疮、痔核、痔病、痔疾等。
医学
痔
释
hemorrhoids
痔
人体肛门部位血管、肌纤维和皮下组织的扩张、感染、充血、纤维化病变。
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