这个词是什么意思？
A nucleoside that is composed of ADENINE and D-RIBOSE. Adenosine or adenosine derivatives play many important biological roles in addition to being components of DNA and RNA. Adenosine itself is a neurotransmitter.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000241 · MeSH 2026。
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