黄苔,病理苔色之一。黄苔主里证、热证。淡黄苔热轻,深黄苔热重,焦黄苔为热结,嫩黄苔多属虚热。苔淡黄而薄,也常见于外感风热表证或风寒化热。有时黄苔也可表现为虚证,在杂病还可见于食滞等证。黄苔多分布于舌根或正中沟部位,也可布满全舌。黄苔常与白、灰、黑苔等同时兼见,每种苔色中又可有厚薄、润燥、腐腻等不同表现。从而形成多种形态的舌象。因此,其临床意义也各不相同,如舌苔微黄而薄,为邪浅中虚;深黄而厚腻,为湿热较盛;黄厚不燥,舌色青紫,多为冷酒或冷食所伤。
提示白苔、黄苔有各自不同的细胞化学变化特点,并与辨证结果基本一致。
It indicated that white tongue coating and yellow tongue coating have different features in cytochemical changes which were in accordance with the syndrome differentiations.
方法观察并用数码相机拍摄SARS患者舌象,记录患者相关情况。 使用统计软件进行SARS患者出现黄苔的多因素分析。
Methods We observe the SARS patients' furs, shoot their furs with digital camera, and record SARS patients' correlated factors at the same time.
清代1850 - 1911年期间苔色的变化特征为:白苔、黄苔的出现率上升,黑苔的出现率下降,复合苔色的描述增加。
From 1850 to 1911 in the Qing Dynasty, occurrence rate of tongue coating had changed. Those of white, yellow and compound fur were increased. On the contrary, that of black fur was decreased.
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