Evidence for a nonretinal pathway of light to the pineal gland of newborn rats.
D000818:Animals; D000831:Animals, Newborn; D002940:Circadian Rhythm; D008027:Light; D010870:Pineal Gland / Q000378:metabolism* / Q000528:radiation effects*; D011830:Radiation Effects; D051381:Rats; D012701:Serotonin / Q000378:metabolism*
D012701:Serotonin