Metamelanopsin
noun ·Rare ·Advanced level
Definitions
- 1 A form of melanopsin containing the all-trans isomer of retinal uncountable
"In squid and octopus rhodopsins, acid metarhodopsin (all-trans form) shows light-dependent conversion mainly to the original rhodopsins (11-cis form) at 0°C [16, 17 ], whereas metamelanopsin (all-trans form) is converted to extramelanopsin (7-cis form) in addition to the original melanopsin (11-cis form) [10 ]."
Example
More examples"In squid and octopus rhodopsins, acid metarhodopsin (all-trans form) shows light-dependent conversion mainly to the original rhodopsins (11-cis form) at 0°C [16, 17 ], whereas metamelanopsin (all-trans form) is converted to extramelanopsin (7-cis form) in addition to the original melanopsin (11-cis form) [10 ]."
Etymology
From meta- + melanopsin.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.