这个词是什么意思？
Unstriated and unstriped muscle, one of the muscles of the internal organs, blood vessels, hair follicles, etc. Contractile elements are elongated, usually spindle-shaped cells with centrally located nuclei. Smooth muscle fibers are bound together into sheets or bundles by reticular fibers and frequently elastic nets are also abundant. (From Stedman, 25th ed)
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D009130 · MeSH 2026。
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