There are multiple definitions:

1. circadian photoreceptor cryptochrome(English)

   • Receptors, Circadian rhythm

2. Cardiac Risk in the Young(English)

   • preventing young sudden cardiac deaths through awareness, screening & research, and supporting affected families - in the UK
   • SADS
   • Sports medicine, Charity, Cardiology, Risk factor
   • https://www.c-r-y.org.uk/

3. cryptochrome(English)

   • a blue-light receptor with multiple signaling functions in plants and animals. The most well-known function is the entrainment of the circadian rhythm
   • CTE, DSPD, FAD, PHR
   • Circadian rhythm
   • https://doi.org…003-022-04054-9