Li-pancreas tsa hau ke karolo ea bohlokoa haholo empa hangata e sa ananeloa. Li-pancreas le karolo eo e bapalang ka eona ka lefu la tsoekere ke tsa bohlokoa haholo ho utloisisa.
Kamoo Pancreas e sebetsang kateng
Li-pancreas tsa hao li ka bang bolelele ba lisenthimithara tse 6 'me li lutse ka morao ka mpeng, ka mor'a mpa le haufi le mokokotlo. E na le karolo e peli ea ho thusa ka ho cheka ha hao le ho hlahisa lihomone tsa bohlokoa, tse kang insulin .
Ha e amana le lefu la tsoekere, lik'hamphani tsena:
- e hlahisa insulin ho thusa ho boloka tekano ea tsoekere (tsoekere) 'meleng
- e hlahisa glucagon ha 'mele o hloka ho beha tsoekere e ngata maling ho sebelisoa matla
Phapang pakeng tsa glucagon le insulin ke hore insulin e theola mali a hao ka ho thusa 'mele oa hau ho sebelisa tsoekere e maling bakeng sa matla. Glucagon e phahamisa tsoekere ea mali ka ho etsa hore sebete le mesifa li lokolle tsoekere e bolokiloeng kapele.
Li-cell le lihlahisoa tsa insulin
Li-pancreas tsa hau li na le lihlopha tsa lisele tse tsejoang ka mokhoa oa litsebi joaloka Lihlekehlekeng tsa Langerhans, 'me li atisa ho bitsoa "lihlekehleke." Ho na le lihlekehleke tse ka bang limilione tse likete tse ntle, tse kholo. Le hoja sena se utloahala eka ke lihlekehleke tse ngata, e na le feela karolo ea 1-2% ea lik'hamphani tsohle tsa hau.
Ho na le lisele tse eketsehileng tse fumanoang karolong e 'ngoe le e' ngoe ea lisele tsa sehlekehleke, tse bitsoang lisele tsa beta. Lisele tsa beta ke lisele tsa sebele tse hlahisang insulin e hlokahalang ho boloka tsoekere e tloaelehileng ea mali maling.
Ha tsamaiso ea 'mele ea' mele ea 'mele ea ho itšireletsa mafung e hlasela le ho senya lisele tsena tsa beta, e thibela insulin hore lisele tsa beta li hlahise. Ho haelloa ke insulin e phelisang bophelo ho isa mofuteng oa lefu la tsoekere 'me ho hloka liente tse ngata tsa letsatsi le letsatsi tsa insulin ho phela.
Ho sa tsotellehe tlhaselo ea lisele tsa beta, karolo e setseng ea liphakaretsi bakeng sa ho tsuba le ho hlahisa li-hormone tse ling tsa bohlokoa hangata e lula e tiile.
The Pancreas ka Mofuta oa 1 le Mofuta oa 2 oa lefu la tsoekere
Ka lefu la tsoekere la mofuta oa 1, lisele tsa beta li khaotsa ho hlahisa insulin. Le hoja insulin e ka 'na ea e-ba e hlahisoang, ha e lekaneng hore e leka-lekana le tsoekere ka' mele. Ke ka lebaka leo liente tsa insulin li hlokahalang.
Mofuteng oa lefu la tsoekere oa mofuta oa 2, li-pancreas ha li hlaseloe ke sesole sa 'mele, empa se hlahisa insulin e fokolang ho feta kamoo e hlokahalang, kapa' mele o sitoa ho sebelisa insulin e hlahisang li-pancreas. Boemo ba ho qetela bo bitsoa insulin ho hanyetsa. Botenya ke lebaka le ka sehloohong la ho thibela insulin.
Meriana ea ho Tsosolosa Pancreatic Function
Tsena ke litsela tse tsejoang ke bafuputsi ba lekang ho etsa li-pancreas tse sebetsang tse tloaelehileng, tseo ka sebele li tla ba pheko ea lefu la tsoekere la mofuta oa 1:
- Ho khutlisetsa beta cell function e le hore ba tsoele pele ho hlahisa insulin. Le hoja a khothalletsa tsoelo-pele e entsoe, e nkoa e le mokhoa o lekang oa liteko.
- Li-transplant li-cell li bile le katleho ea ho tsosolosa tlhahiso ea insulin, empa lipatlisiso tse ling li hlokahala pele e ka ba khetho e sireletsehileng le e ka tšeptjoang.
- Li-pancreas transplants li fumaneha hona joale, empa ka lebaka la palo e fokolang ea bafani, mokhoa ona hangata ke oa ba kulang haholo ka lebaka la mathata a lefu la tsoekere ea mofuta oa 1.
Lisebelisoa:
Lihlekehleke Tsa Langerhans. Setsi sa Lipatlisiso sa lefu la tsoekere. https://www.diabetesresearch.org/sslpage.aspx?pid=729
Tlhaloso ea Pancreas. EndocrineWeb. https://www.endocrineweb.com/endocrinology/overview-pancreas