1) Sensory receptor 
Cryptochromes (from the Greek κρυπτό χρώμα, hidden colour) are a class of flavoproteins that are sensitive to blue light. They are found in plants and animals. Cryptochromes are involved in the circadian rhythms of plants and animals, and in the sensing of magnetic fields in a number of species. The name Cryptochrome was proposed as a p...
See CR1.
Type: Term Pronunciation: krip′tō-krōm Definitions: 1. Flavoprotein ultraviolet-A receptor involved in circadian rhythm entrainment in plants, insects, and mammals.