这个词是什么意思？
A cytosolic ribonucleoprotein complex that acts to induce elongation arrest of nascent presecretory and membrane proteins until the ribosome becomes associated with the rough endoplasmic reticulum. It consists of a 7S RNA and at least six polypeptide subunits (relative molecular masses 9, 14, 19, 54, 68, and 72K).
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D018271 · MeSH 2026。
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