这个词是什么意思？
A hypermotility disorder of the ESOPHAGUS that is characterized by spastic non-peristaltic responses to SWALLOWING; CHEST PAIN; and DYSPHAGIA.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D015155 · MeSH 2026。
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