Daily variation in the eye's 5-HT stores.
Eyes from mice have been assayed for 5-HT content at various times during the day. 5-HT levels are highest midway in the light period and lowest during the dark period. In general this daily variation conforms with other published reports for variation of 5-HT stores in brain and pineal.
D000818:Animals; D002940:Circadian Rhythm; D005123:Eye / Q000378:metabolism*; D008297:Male; D051379:Mice; D012701:Serotonin / Q000378:metabolism*
D012701:Serotonin