passage of stools containing blood (as from diverticulosis or colon cancer or peptic ulcer)
例句
用作名词 (n.)
In the thick wall type, if intima is very irregular and focal areas are showed bright echogenicity combining with hematochezia we can diagnose the ulcer type. 在壁增厚型中内膜明显凸凹不平，并见限局性固定强回声，结合患者便血，可诊断溃疡型。
美
[hemətə'kiːzɪə]
