I-Plasma iwuketshezi olungenamaseli olutholakala ngokufaka phakathi igazi lonke eliphuma emithanjeni yegazi ngemva kokwelashwa kwe-anticoagulation.Iqukethe i-fibrinogen (i-fibrinogen ingashintshwa ibe yi-fibrin futhi inomphumela wokuhlangana).Lapho i-calcium ions yengezwa ku-plasma, ukuhlangana kabusha kwenzeka ku-plasma, ngakho-ke i-plasma ayinayo i-calcium ions yamahhala.
Imisebenzi eyinhloko ye-plasma
1. Umsebenzi wokudla okunomsoco I-Plasma iqukethe inani elikhulu lamaprotheni, adlala umsebenzi wokugcina izakhi.
2. Kunenqwaba yezindawo zokubopha i-lipophilic ezisatshalaliswa endaweni enkulu yamaprotheni omsebenzi wezokuthutha, angabophezela ezintweni ezincibilikayo ku-lipid, azenze zincibilike emanzini futhi kube lula ukuzihambisa.
3. Umsebenzi wokubhafa I-albhamuin ye-plasma nosawoti wayo wesodium yenza ipheya yesivimbeli, kanye namanye amapheya ebhafa kasawoti wezinto ezingaphili (ikakhulukazi i-carbonic acid ne-sodium bicarbonate), ukuze kuvinjwe isilinganiso se-acid-base kuplasma nokugcina ukuzinza kwe-pH yegazi.
4. Ukwakheka komfutho we-osmotic we-colloid Ukuba khona kwe-plasma colloid osmotic pressure kuyisimo esibalulekile sokuqinisekisa ukuthi amanzi ku-plasma ngeke adluliselwe ngaphandle kwemithambo yegazi, ukuze kugcinwe umthamo wegazi ongashintshi.
5. Ukubamba iqhaza emsebenzini wokuzivikela komzimba kanye nokudlala indima ebalulekile ekufezeni umsebenzi wokuzivikela komzimba, ama-antibodies omzimba, isimiso sokuhambisana, njll, akhiwa i-plasma globulin.
6. Iningi lezici ze-plasma coagulation, izinto ze-physiological anticoagulant kanye nezinto ezikhuthaza i-fibrinolysis ehilelekile ekusebenzeni kwe-coagulation kanye ne-anticoagulation amaprotheni e-plasma.
7. Imisebenzi yokukhula kwezicubu kanye nokulungiswa kwezicubu ezilimele ifinyelelwa ngokuguqulwa kwe-albumin ibe amaprotheni ezicubu.
Isikhathi sokuthumela: Mar-18-2022
