Ka duba nassi da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar nassi: Passage: Babban aikin glandan pineal shine samar da melatonin. Melatonin yana da ayyuka daban-daban a cikin tsarin juyayi na tsakiya, mafi mahimmanci shine don taimakawa wajen daidaita yanayin bacci. Ana samar da melatonine ta hanyar duhu kuma haske ya hana shi. Kwayoyin jijiyoyin da ke cikin retina suna gano haske kuma suna aika wannan siginar zuwa kwayar halitta ta suprachiasmatic (SCN), suna daidaita SCN zuwa zagayen rana-dare. Nerve fibers sa'an nan kuma sake watsa bayanan hasken rana daga SCN zuwa ga paraventricular nuclei (PVN), sa'an nan kuma zuwa kashin baya da kuma ta hanyar tsarin juyayi na juyayi zuwa ganglia na sama na mahaifa (GSC), kuma daga can zuwa glandan pineal. Tambaya: A ina ne ƙwayoyin jijiyoyi suka ƙare?
ƙwayar pineal