Bayan haka, za ka iya karanta sakin layi na gaba kuma ka amsa tambayar a baya a cikin wannan yaren kamar yadda aka yi: Passage: Babban aikin glandan pineal shine samar da melatonin. Melatonin yana da ayyuka daban-daban a cikin tsarin juyayi na tsakiya, wanda mafi mahimmanci shine taimakawa wajen daidaita yanayin bacci. Ana samar da melatonin 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 zagaye na dare-rana. Nerve fibers sa'annan suna sake watsa bayanan hasken rana daga SCN zuwa ga kwayar halitta ta paraventricular (PVN), sannan zuwa kashin baya da kuma ta hanyar tsarin juyayi zuwa ganglia na cervical (GSC), kuma daga can zuwa glandan pineal. Tambaya: Menene ke motsa samar da melatonin?
duhu