这个词是什么意思？
Backflow of blood from the LEFT VENTRICLE into the LEFT ATRIUM due to imperfect closure of the MITRAL VALVE. This can lead to mitral valve regurgitation.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D008944 · MeSH 2026。
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