这个词是什么意思？
A water-soluble vitamin of the B complex occurring in various animal and plant tissues. It is required by the body for the formation of coenzymes NAD and NADP. It has PELLAGRA-curative, vasodilating, and antilipemic properties.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D009525 · MeSH 2026。
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