| 单词 | mucous membrane | 
| 释义 | mucous membranenoun  : a membrane rich in mucous glands    specifically : one that lines body cavities and passages (as of the gastrointestinal or respiratory tract) which communicate directly or indirectly with the outside of the body : mucosa   Pruritus and congestion involving mucous membranes of the eyes, nose, and mouth are frequently observed, and swelling of the lips or tongue may impair swallowing and ventilation.  | 
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