Gịnị bụ circadian okirikiri

Ndinaya

• Physiology nke mmadụ circadian okirikiri
• Ọgba aghara nke circadian rhythm

A na-ahazi ahụ mmadụ site na elekere na-arụ ọrụ nke ọma na ọrụ ọ na-eme kwa ụbọchị, dị ka ọ dị n'oge oge nri na oge edemede na oge ihi ụra. A na-akpọ usoro a circadian cycle or circadian rhythm, nke nwere mmetụta dị ukwuu na mgbaze, mmeghari mkpụrụ ndụ na njikwa ọnọdụ ahụ.

Onye obula nwere elekere nke aka ya ma ya mere ndi mmadu etinyewo aka n'ime ndi ututu, ndi bu ndi na-eteta n'isi uto ma na-ebili n'isi ututu, ndi n'ehihie, ndi bu ndi na-eteta n'oge na-ehi ụra n'oge, na ndị intermediaries.

Physiology nke mmadụ circadian okirikiri

Akara circadian na-anọchite anya oge nke 24 awa nke emechara ihe omume nke usoro ndụ mmadụ na nke na-achịkwa ụra na agụụ. Oge ụra na-ewe ihe dị ka awa asatọ ma oge iteta ụra na-ewe ihe dị ka awa iri na isii.

N'ụbọchị, tumadi n'ihi mmetụta nke ìhè, emepụtara cortisol, nke adrenal glands wepụtara ma hormone a na-adịkarị ala n'abalị n'oge ụra ma na-abawanye ụtụtụ n'isi ụtụtụ, iji mụbaa ịmụrụ anya n'oge ụbọchị. Hụmonụ a nwekwara ike ịbawanye n'oge oge nrụgide ma ọ bụ dị elu na ọnọdụ na-adịghị ala ala, nke nwere ike imebi ọrụ kwesịrị ekwesị nke okirikiri circadian. Hụ ihe hormone cortisol bụ maka.

Mgbe chi jiri, mmepụta nke cortisol na-ebelata ma na-emewanye mmepụta nke melatonin, nke na-enyere aka ime ka ụra hie ụra, na-akwụsị imepụta ụtụtụ. N'ihi nke a, ụfọdụ ndị nsogbu na-arahụ ụra, na-ewerekarị melatonin mgbe chi jiri iji nyere aka mee ka ụra rahụ ha.

Ọgba aghara nke circadian rhythm

Mgbanwe nke circadian nwere ike gbanwee n'ọnọdụ ụfọdụ, nke nwere ike ibute nsogbu ụra ma kpatara mgbaàmà dịka oke ihi ụra n'ehihie na ehighị ụra n'abalị, ma ọ bụ ọbụna kpatara nsogbu ahụike ka njọ. Mara nsogbu nke circadian okirikiri.