Ii-pancreas zakho zibaluleke kakhulu kodwa zihlala zixabiso. I-pancreas kunye nendima edlalwa ngayo kwisifo sikashukela kubaluleke kakhulu ukuqonda.
Indlela iPancreas Imisebenzi ngayo
Ii-pancreas zakho zi malunga nee-intshi ezingama-6 ubude kwaye zihlala ngaphesheya kwesisu, emva kwesisu nangasemngceleni. Inendima ebalulekileyo ekuncedeni ukugaya kwakho kunye nokuvelisa ama hormone abalulekileyo, njenge- insulin .
Njengoko idibene nesifo sikashukela, i-pancreas:
- ivelisa i-insulin ukukunceda ukugcina umlinganiselo we-glucose (iswekile) emzimbeni
- ivelisa i- glucagon xa umzimba ufuna ukubeka i-glucose engaphezulu kwigazi ukuze isetyenziswe amandla
Umehluko phakathi kwe-glucagon kunye ne-insulin kukuba i-insulin inciphisa i-blood glucose yakho ngokunceda umzimba wakho usebenzise i-glucose egazini yamandla. I-Glucagon iphakamisa i-blood glucose yakho ngokubangela isibindi kunye nezihlunu ukukhulula i-glucose egcinwe ngokukhawuleza.
Islet iiseli kunye noveliso lwe-insulin
I-pancreas yakho ineamaqoqo eeseli ezaziwa ngokusemthethweni njengama-Islets of Langerhans, kwaye ngokuqhelekileyo zibizwa ngokuba "ziziqithi." Kukho iiplithi eziyizigidi ezi-1 kwiipancreas eziphilileyo, ezindala. Nangona oku kuzwakala ngathi zininzi zeziqithi, kuqukwa kuphela malunga ne-1-2% yeepancreas zakho zonke.
Kukho iiseli ezongezelelweyo ezitholakalayo kwiqoqo ngalinye leeseli ze-islet, ezibizwa ngeeseli ze-beta. Iiseli ze-Beta ziseli zangempela ezivelisa i-insulin efunekayo ukugcina ishukela eliqhelekileyo legazi kwigazi.
Xa isistim somzimba somzimba sihlasela kakubi kwaye sitshabalalisa iiseli ze-beta, iyakhupha i-insulin iiseli ze-beta zivelisa. Ukuntuleka kokusindisa i-insulin yokuphila kubangela uhlobo lwesifo sikashukela kwaye lufuna iintsholongwane zemihla ngemihla ye-insulin ukuze iphile.
Nangona ukuhlaselwa kweeseli ze-beta, umsebenzi oseleyo we-pancreas yokutya kunye nokuveliswa kwamanye ama-hormone abalulekileyo ngokuhlala uhleli.
Iipancreas ngohlobo lwe-1 kunye nohlobo lwe-2 lweswekile
Ngohlobo lwe-1 lweswekile, iiseli ze-beta ziyeka ukuvelisa i-insulin. Nangona i-insulin isenokuthi iveliswe, ayikho into eyaneleyo yokulinganisela i-glucose emzimbeni. Yingakho i-insulin injections iyadingeka.
Kuhlobo lwe-2 lweswekile, i-pancreas ayihlaselwa ngumzimba wamasosha omzimba, kodwa ivelisa i-insulin encinane kunokuba iyadingeka, okanye umzimba awukwazi ukusebenzisa i-insulin i-pancreas ivelisa. Umqathango wokugqibela ubizwa ngokuba yi-insulin. Ukunyanyiswa kwesona sizathu esibalulekileyo sokukhuseleka kwe-insulin.
Unyango lokubuyisela umsebenzi wePancretic
Ezi ziindlela ezaziwayo abaphandi bazama ukudala i-pancreas esebenza ngokuqhelekileyo, eyayiza kuba yonyango lwesifo sikashukela se-type:
- Ukuvuselela umsebenzi we-beta yeseli ukuze baphinde bavelise i-insulin. Nangona ukukhuthazwa kwenkqubela phambili, kusekwa njengenkqubo yokulinga.
- Islet cell transplants ziye zaphumelela ekubuyiseleni umkhiqizo we-insulin, kodwa uphando olungakumbi lufunekayo ngaphambi kokuba lube lukhetho olukhuselekileyo noluthembekileyo.
- Iipancreas transplants zikhoyo ngoku, kodwa ngenxa yenani elinganiselweyo labaxhasi, le nkqubo iqhelekileyo kuphela kulabo abagula kakhulu kwisifo sikashukela se- 1.
Imithombo:
Iziqithi zeLangerhans. ISiyabetes Research Institute. https://www.diabetesresearch.org/sslpage.aspx?pid=729
Ubume bePancreas. EndocrineWeb. https://www.endocrineweb.com/endocrinology/overview-pancreas