这个词是什么意思？
Photosensitive proteins in the membranes of PHOTORECEPTOR CELLS such as the rods and the cones. Opsins have varied light absorption properties and are members of the G-PROTEIN-COUPLED RECEPTORS family. Their ligands are VITAMIN A-based chromophores.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D055355 · MeSH 2026。
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