这个词是什么意思？
The infective system of a virus, composed of the viral genome, a protein core, and a protein coat called a capsid, which may be naked or enclosed in a lipoprotein envelope called the peplos.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D014771 · MeSH 2026。
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