The suprachiasmatic nucleus (SCN) is a structure composed of approximately 50,000 brain cells that receives light signals directly from the eye through the optic nerve.

Authors

• Person: Not available Organization: Harvard Medical School
  Science of Sleep: How is Sleep Regulated?

Sources

• Science of Sleep: How is Sleep Regulated? sleep.hms.harvard.edu Harvard Medical School via serper

Referenced by nodes (1)

• suprachiasmatic nucleus concept