Ingaba unesisindo esingaphezulu, isifo sokunyamezela isigxina, uxinzelelo lwegazi oluphantsi? Kukho isihlandlo sokwenza ukuhlolwa kwegazi kumahomoni. Ngokuqhelekileyo, imbangela yempilo ephosakeleyo yinqanaba eliphakanyisiweyo okanye eliphantsi lomnye wabo. Ngokomzekelo, i-hormone thyroxin inoxanduva lokumetabolism, ithoni yomzimba kunye nezinye izinto ezibalulekileyo.
Imisebenzi ye-hormone thyroxine
I-thyroid ye-thyroid i-thyroxine ibhekisela kwenye yee-hormone ezimbini ezibalulekileyo umzimba ovelisayo. Ngokukhawuleza, ngamanye amaxesha kuthiwa yi-T4. Ukongeza kwi-thyroxine, i-thyroid gland ikhiqiza i-hormone engaphezulu kwe-8, kodwa isabelo sabo kwisixa-mali sinama-10% kuphela. Konke okunye ku-thyroxine, eneendawo ezinjalo:
- lawula izinga lexinzelelo lwegazi;
- unoxanduva lwetoni yomsila;
- ukwandisa imisebenzi yomzimba kunye yengqondo;
- ikhuthaza ukuxutywa kwe-oksijini ngamalungu;
- khuthaza u kucinga;
- kukhawuleza isantabolism ;
- ukwandisa inani leenhliziyo zomzimba;
- uxanduva lokuvelisa i-hormone erythropoietin, ukubunjwa kwe-erythrocytes kunye nokufana kweeprotheni.
Abagijimi abaninzi kunye nabanye abafazi banokuthi bathathe izalathisi zangokwemvelo nezokwenziwa kwe-thyroxine ukunciphisa ubunzima bomzimba nokwandisa i-caloric intake. Nangona kunjalo, umntu kufuneka acinge ukuba intsalela ye-thyroxin inobungozi njengokonakala kwayo:
- khulisa;
- umntu uyacaphukisa aze ahlasele;
- kukho ukulala;
- ukwanda komngcipheko we-tachycardia kunye nezinye izifo zentliziyo;
- ukuhlenga amathambo kukhula.
Indlela yokukhulisa okanye ukwandisa ihomoni ye thyroxine kwaye ingaba kuyimfuneko ukwenza okanye ukwenza?
Ngaphambi kokuba uphendule lo mbuzo, sifuna ukuthetha malunga nokuba yiyiphi imiphumo ye-hormone thyroxin iyancipha. Okuyingozi kakhulu ukuphuhliswa kwe-hypothyroidism (ukunciphisa i-thyroxine) kwiintsana, kunokukhokelela ekudemeni kwengqondo kunye ne-cretinism, kunye nokusebenza kakubi ngokubanzi malunga nemisebenzi yonke yomzimba. Ngako oko, abantwana, abazalelwa ngethuba lokuzalwa, banokubakholelwa ukusilela kwe-hormone, malunga nomhla wesine-5 wokuphila, igazi lithathwa ukuze lihlalutye. Kubantu abadala, i-hypothyroidism ibangela izifo ezinjalo:
- ukunciphisa imisebenzi yengqondo;
- ischemia;
- bradycardia;
- hypotension ;
- ukuphazanyiswa kwephepha lomzimba;
- kuncipha umsebenzi wokuzala.
Ekubeni i-thyroxine i-hormone yegazi yamahhala, kodwa ingaba kwimeko enxulumene neeprotheni, zonke iinkqubo zomzimba kunye ne-thyroid gland ziqala ukusebenza ngokuphumelelayo kwiiveki ezimbini emva kokumisa izinga. Ihomoni yehomoni ye-thyroxine ayikho inzululwazi kwaye inokutshintshana phakathi kwamanani amaninzi ngamnye kumntu ngamnye.
Ekubeni i-hormone ye-T4 ihluke kwezinye i-hormone ye-thyroid, i-T3, ubukho be-molecule ye-iodine ekubunjweni, inqanaba le-thyroxin lihambelana ngokuthe ngqo nomlinganiselo walowo mzimba umzimba kunye nokufana kwayo. Ukuba i-iodine ingenayo isanele, i-thyroxine iyancipha. Ngenxa yokugqithisa kwesi sifo, izifo ze-Graves zikhula - ubungqina obuphezulu kakhulu kwizinga le-thyroxin
Kwimeko apho ukutya okutyebileyo kwi-iodine kungathinteli umkhiqizo we-thyroxine, uviwo lwezonyango kufuneka luqhutywe kwaye isizathu esinqunyiwe. Ugqirha makenze oku. Yena, ukuba kuyimfuneko, uya kubeka i-thyroxine kwiipilisi. Isiqhelo se-thyroxine kubasetyhini sinqunywe emva kokuvavanywa kwegazi ngokubanzi kwiihomoni eziphambili, emva koko unokuqala ukwamkelwa okongeziweyo komnye wabo. Izidakamizwa ezifana ne-thyroxine kufuneka zisetyenziswe imihla ngemihla kunye nexesha elide. Oku kukuvumela ukuba ulungelelanise ibhalansi ye-hormonal.