opsin

 

English Wikipedia has an article on:

opsin

Wikipedia

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

opsin (plural opsins)

1. (biochemistry) Any of a group of light-sensitive proteins in the retina.
   • 2015 May 20, Mo Costandi, The Guardian‎^[1]:

     Ramirez and Oakley therefore predicted that opsins are present in octopus skin, where they might act as light sensors.

• photopsin
• rhodopsin
• melanopsin
• onychopsin
• parietopsin
• xenopsin

• spino-, Sinop, Spino, Pinos, inspo, pions, psion