Bayan haka, sai ku amsa tambaya a baya a cikin wannan harshe kamar yadda aka wuce: Passage: Babban aikin glandan pineal shine samar da melatonin. Melatonin yana da ayyuka daban-daban a cikin tsarin kulawa na tsakiya, wanda mafi mahimmanci shine taimakawa wajen daidaita yanayin barci. Ana samar da melatonin ta hanyar duhu kuma haske ya hana shi. Kwayoyin jijiyoyi masu haske a 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'an nan kuma ya sake watsa bayanan hasken rana daga SCN zuwa kwayar halitta na paraventricular (PVN), sa'an nan kuma zuwa kashin baya da kuma ta hanyar tsarin juyayi zuwa ganglia na cervical (GSC), kuma daga can zuwa glandon pineal. Tambaya: Waɗanne nau'in kwayoyin halitta ne ke da alhakin iyakancewar melatonin a lokacin rana?
Kwayoyin jijiyoyin da ke da hankali ga haske