English Explanatory Dictionary

opsin

English dictionary entry

Meanings

noun

Any of a group of light-sensitive proteins in the retina.

Word forms

opsin opsins

Etymology

Shortened form of rhodopsin. From Ancient Greek ὄψις (ópsis, “sight”) + -in.

Related words

photopsin rhodopsin melanopsin onychopsin parietopsin xenopsin

Derived words

bacterioopsin chrysopsin cnidopsin encephalopsin neuropsin panopsin parapinopsin pinopsin pteropsin scotopsin

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