Exchange yibilirubin
umsebenzi yokuphefumla inikeza zonke izicwili igazi emzimbeni imali efunekayo oksijini theka yokuthutha ezizodwa kakhulu - athwala - kulwakhiwo iiseli ezibomvu zegazi. Nangona kunjalo, ezi seli kuba siphila ixesha elifutshane, isilinganiso iintsuku 100-120. Okulandelayo bengena amalungu kroverazrusheniya, apho zalenza mpilo. Sibopha haptoglobin yaye ngoko nangoko ithuthelwe iiseli kwenkqubo reticuloendothelial olunye ukuguqulwa ku ngombala non-ityhefu (yibilirubin ngqo) kunye sokwahlula enyongweni. Ngo-macrophage kunye histiocytes haemoglobin ekuqaleni ubola ukuba biliverdin, nto leyo a amakhonkco amane pyrrole methane edityaniswe umsantsa. Nangaphezu koko, kukho ukwehla wayo yibilirubin simahla, nto leyo ndifungeleni iiprothini zokuthutha kunye ukuya esibindini. Xa parenchyma yayo Nguwuphi wayo yibilirubin ngqo, okt ziyabophelela glucuronate ukuba inganokutshatyalaliselwa yayo.
Indima iintsholongwane
indima sele olunye reactions ngokwabiwa zombala inyongo wenza microflora eziqhelekileyo emathunjini. Yibilirubin ihamba ngqo ukusuka sesibindi kuhlanganiselo inyongo kwi fellea vesica, yaye xa uvula faterova umbele engena duodenum, nangaphaya, xa emathunjini amancinci, apho akhululwa glucuronic acid baza basenza sterkobilinogena kukukhupha iingqatha. Inxalenye xa edlula isikali ifunxwe kwi yegazi hemorrhoidal nghena egazini, ngokudlulisela kwesibindi, kwazona ngokusebenzisa izintso kwi yokuchama. Ngoko, igazi ngamaxesha bekubona nithi ningabakhululekileyo nje, yaye ngqo yibilirubin. izinga lokugqibela malunga 5.1 Mol / l, kwaye lilonke - 15.
Uxilongo izifo zesibindi
Ngokutsho zisisa kunye nomlinganiselo kwezi zalathisi nga kugwetywa ukusebenza kwesibindi. Ngoko ke, ukuba parenchyma umzimba une umonakalo esosulelayo okanye ityhefu, inkoliso kombala simahla kwaye ihlala engadityaniswanga kwenye, kwaye ingqalelo igazi zombini iintlobo ukunyuka mbala kakhulu. yibilirubin ngqo kwi igazi kubonakele kwi senyongo njalo kuxokwa obstructive, apho kukho imiqobo ukuba kwemali okuqhelekileyo ibile, kunye regurgitation ngoko inyongo lwenzeka kwi egazini. Isizathu sokuba oku kunokuba ucinezelo bile duct yamathumba yentloko nepancreas, ilitye, njl obliteration. Kukho suprarenal kunye senyongo, ityala apho zinokukhuliswa nokubola mpilo kwi egazini. Oku kuchaphazela ubuthi hemolytic nobumdaka ngeentsholongwane, ezinye imeko nokomzimba. Nangona kunjalo, zonke ezi ntlobo sohlobo yibilirubin luyakha emzimbeni. Engadityaniswanga efanayo ngenxa lipophilicity yalo, kube lula lihlaba kwizisele, kubandakanya njengomqobo ngegazi-ingqondo, kwaye esahlula kwikhonkco zothutho electron kwi mitochondria, ngaloo ndlela ziyibuyisela umva nethe amandla. Ikhaya kule nkalo, yibilirubin ngqo, ogama ummiselo non-ezingenabungozi, ekubeni molecule ezingenakunyibilika.