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retinene
retinene Retinene, also called retinaldehyde, is a vitamin A–derived compound that serves as the light-sensitive part of rhodopsin in the visual cycle.
Retinene, also called retinaldehyde, is a vitamin A–derived compound that serves as the light-sensitive part of rhodopsin in the visual cycle. Light changes it from one form to another, altering rhodopsin’s shape and helping start the process of vision, after which it is converted back to its original form.