这个词是什么意思？
A class of cell surface receptors that prefer ADENOSINE to other endogenous PURINES. Purinergic P1 receptors are widespread in the body including the cardiovascular, respiratory, immune, and nervous systems. There are at least two pharmacologically distinguishable types (A1 and A2, or Ri and Ra).
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D018047 · MeSH 2026。
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