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英文achalasia of the cricopharyngeus muscle发病机制当UESM收缩就开始了食管的蠕动。若某种因素引起吞咽活动不协调时，或咽肌收缩无效火罐网，UESM不完全松弛或松弛提前，均可出现吞咽障碍。病因神经肌肉性疾病脑血管意外病人可出现语言障碍及表情障碍。构语障碍可能伴有咽喉和食管上括约肌(upper esophageal...</br> generated by yvsou girl
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