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单词 rhodopsin
释义

WordReference Random House Unabridged Dictionary of American English © 2024
rho•dop•sin  (rō dopsin),USA pronunciation n. [Biochem.]
  1. Biochemistrya bright-red photosensitive pigment found in the rod-shaped cells of the retina of certain fishes and most higher vertebrates: it is broken down by the action of dim light into retinal and opsin. Also called visual purple. 
  • rhod- + Greek óps(is) sight, vision + -in2 1885–90

Collins Concise English Dictionary © HarperCollins Publishers::
rhodopsin /rəʊˈdɒpsɪn/ n
  1. a red pigment in the rods of the retina in vertebrates. It is dissociated by light into retinene, the light energy being converted into nerve signals, and is re-formed in the dark
    Also called: visual purple
    See also iodopsin
Etymology: 20th Century: from rhodo- + -opsis + -in
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更新时间:2025/9/21 15:07:20