metamelanopsin

M3E1T1A1M3E1L1A1N1O1P3S1I1N1

noun

A form of melanopsin containing the all-trans isomer of retinal

Scrabble 20
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Meanings

nounmetamelanopsin (uncountable)
  1. uncountablebiochemistryA form of melanopsin containing the all-trans isomer of retinal
    1 more example

    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 ].

    2015 October 23, “Diversity of Active States in TMT Opsins”, in PLOS ONE, →DOI

Origin

From meta- + melanopsin.

Full word history & related roots →
Cite this entry
APA

metamelanopsin. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/metamelanopsin

MLA

“metamelanopsin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/metamelanopsin. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “metamelanopsin,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/metamelanopsin.

Source: metamelanopsin on Wiktionary, CC BY-SA 4.0.