这个词是什么意思？
The middle portion of the SMALL INTESTINE, between DUODENUM and ILEUM. It represents about 2/5 of the remaining portion of the small intestine below duodenum.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D007583 · MeSH 2026。
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