I-pancreas yakho iyisici esibaluleke kakhulu kodwa esivamile esinganakwa. I-pancreas kanye nendima ayidlala ngayo kusifo sikashukela kubaluleke kakhulu ukuqonda.
Yeka ukuthi imisebenzi yePancreas
Ama-pancreas akho angaba ngu-intshi angu-6 ubude futhi ahlala ngaphesheya kwesisu, ngemuva kwesisu nangasemgodleni. Inendima emibili ekusizeni ngokugaya nokukhiqiza ama-hormone abalulekile, njenge- insulin .
Njengoba ihlobene nesifo sikashukela, ama-pancreas:
- ikhiqiza i-insulin ukusiza ukugcina ibhalansi (ushukela) emzimbeni
- ikhiqiza i- glucagon lapho umzimba udinga ukubeka i-glucose eyengeziwe egazini okufanele isetshenziselwe amandla
Umehluko phakathi kwe-glucagon ne-insulin yilokho i-insulin ehlisa igazi lakho ngegazi ngokusiza umzimba wakho usebenzise i-glucose egazini lamandla. I-glucagon iphakamisa i-blood glucose yakho ngokubangela isibindi nemisipha ukukhulula i-glucose egcinwe ngokushesha.
Islet Amaseli nokukhiqizwa kwe-insulini
Ama-pancreas akho anamaqoqo amangqamuzana aziwa ngokweqile njengeziqhingi ze-Langerhans, futhi ngokuvamile ebizwa ngokuthi "iziqhingi." Kukhona cishe izigidi eziyizigidi eziyizikhukhula ezinama-pancrea enempilo, omdala. Yize lokhu kuzwakale njengeziqhingi eziningi, kuhlanganisa kuphela ngo-1-2% we-pancreas yakho yonke.
Kukhona amangqamuzana engeziwe atholakala kuqoqo ngalinye lama-islet amaseli, abizwa ngamaseli e-beta. Amaseli e-Beta yiwo amangqamuzana abonakalayo akhiqiza i-insulin edingekayo ukuze alondoloze ushukela ojwayelekile wegazi egameni legazi.
Uma isimiso somzimba sokuzivikela umzimba sihlasela kabi futhi siwabhubhisa lawa maseli e-beta, sigwema i-insulini amaseli e-beta. Lokhu ukungabi khona kwe-insulin eqhubeka nokuphila kuholela ku- type 1 yesifo sikashukela futhi kudinga ukujova okuningi kwansuku zonke kwe-insulini ukuze usinde.
Naphezu kokuhlaselwa kwamaseli e-beta, umsebenzi osele we-pancreas wokugaya nokukhiqizwa kwamanye ama-hormone abalulekile ngokuvamile uhlala uhleli.
I-Pancreas ngohlobo 1 nohlobo lwesifo sikashukela
Ngohlobo lwe-1 lwesifo sikashukela, amaseli e-beta ayeke ukukhiqiza i-insulini. Nakuba i-insulin ingase isetshenziswe, akusikho okwanele ukulinganisela i-glucose emzimbeni. Yingakho injection ye-insulin iyadingeka.
Ngohlobo lwe-2 lwesifo sikashukela, ama-pancreas akahlaselwa yisistimu yomzimba, kodwa noma iveza i-insulin engaphansi kunesidingo, noma umzimba awukwazi ukusebenzisa i-insulin i-pancreas ikhiqiza. Isimo sokugcina esibizwa ngokuthi i-insulin ukumelana. Ukukhuluphala yisisusa esikhulu sokuphikiswa kwe-insulin.
Ukwelapha Ukubuyisela Umsebenzi wePancretic
Lezi zindlela eziyaziwayo abacwaningi abazama ukudala ama-pancreas asebenzayo, okungaba yindlela yokuphilisa isifo sikashukela sohlobo 1:
- Ukuvuselela umsebenzi we-beta cell ukuze baphinde bakhiqize i-insulin. Yize kukhuthazwe inqubekela phambili, isabhekwa njengenqubo yokuhlola.
- Islet cell transplants ziye zaphumelela ekubuyiseleni ukukhiqizwa kwe-insulin, kodwa ucwaningo olwengeziwe luyadingeka ngaphambi kokuba lube lukhetho oluphephile noluthembekile.
- Ama-pancreas transplants okwamanje atholakalayo, kodwa ngenxa yenani elinganiselwe labaxhasi, le nqubo ivame kuphela kulabo abagulayo kakhulu ngenxa yezinkinga zesifo sikashukela sohlobo 1.
Imithombo:
Iziqhingi ZaseLangerhans. Isifo Sikashukela Sokuhlola. https://www.diabetesresearch.org/sslpage.aspx?pid=729
Sibutsetelo samaPancreas. I-EndocrineWeb. https://www.endocrineweb.com/endocrinology/overview-pancreas