Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Hanyar wucewa: Ainihin aikin glandon pineal shi ne samar da melatonin. Melatonin yana da ayyuka daban-daban a cikin tsarin juyayi na tsakiya, mafi mahimmanci daga cikinsu shine taimakawa wajen daidaita tsarin bacci. Ana haifar da samar da melatonin ta hanyar duhu kuma an hana shi ta hanyar haske. Ƙwayoyin jijiya masu ƙyamar haske a cikin retina suna gane haske kuma su aika wannan siginar zuwa kwayar suprachiasmatic (SCN), suna daidaita SCN zuwa zagayen rana-dare. Sa'an nan ƙwayoyin jijiya suna watsa bayanan hasken rana daga SCN zuwa kwayar paraventricular (PVN), sannan zuwa kashin baya kuma ta hanyar tsarin juyayi zuwa ganglia na sama na mahaifa (SCG), kuma daga can zuwa glandon pineal.  Tambaya: Me ke motsa samar da Melatonin?
duhu