![Dab tsi ua alpha thiab beta cells ntawm islets ntawm Langerhans hauv cov txiav txiav? Dab tsi ua alpha thiab beta cells ntawm islets ntawm Langerhans hauv cov txiav txiav?](https://i.answers-medical.com/preview/medical-health/13880443-what-do-alpha-and-beta-cells-of-the-islets-of-langerhans-in-the-pancreas-produce-j.webp)
Video: Dab tsi ua alpha thiab beta cells ntawm islets ntawm Langerhans hauv cov txiav txiav?
![Video: Dab tsi ua alpha thiab beta cells ntawm islets ntawm Langerhans hauv cov txiav txiav? Video: Dab tsi ua alpha thiab beta cells ntawm islets ntawm Langerhans hauv cov txiav txiav?](https://i.ytimg.com/vi/UK_SqT3i7yQ/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov islets ntawm Langerhans muaj alpha , beta , thiab delta hlwb tias tsim khoom glucagon, insulin, thiab somatostatin, feem. Cov alpha hlwb ntawm islets ntawm Langerhans tsim cov tshuaj hormones sib txawv, glucagon, uas tso tawm cov piam thaj los ntawm daim siab thiab cov rog los ntawm cov nqaij rog.
Ua qhov no hauv kev txiav txim siab, dab tsi yog tsim tawm hauv islets ntawm Langerhans hauv tus txiav?
Islets ntawm Langerhans : Paub tias yog insulin- tsim tawm cev, o islets ntawm Langerhans ua ntau tshaj qhov ntawd. Lawv yog cov pab pawg tshwj xeeb ntawm cov hlwb hauv txiav txiav uas ua thiab zais cov tshuaj hormones. Degeneration ntawm insulin- tsim tawm beta cells yog lub hauv paus tseem ceeb ntawm hom I (insulin-dependent) ntshav qab zib mellitus.
alpha cells ua dab tsi hauv cov txiav txiav? Alpha hlwb (ntau dua alpha - hlwb los yog α - hlwb ) yog endocrine hlwb hauv txiav cov islets ntawm txiav txiav . Lawv ua txog 20% ntawm tib neeg islet hlwb ua ke thiab zais cov peptide hormone glucagon, uas ua rau kom cov piam thaj ntau ntxiv hauv cov ntshav.
alpha thiab beta cells hauv cov txiav ua dab tsi?
Pancreatic islets tsev peb loj ntawm tes hom, txhua tus uas tsim cov khoom lag luam endocrine sib txawv: Alpha hlwb (A hlwb ) zais cov tshuaj hormone glucagon. Beta hlwb (B hlwb ) tsim cov tshuaj insulin thiab muaj ntau tshaj plaws ntawm cov islet hlwb.
Cov hlwb twg ntawm cov txiav txiav yog cov kab mob endocrine?
Cov islets ntawm Langerhans yog cov endocrine (endo = hauv) cov hlwb ntawm cov txiav uas tsim thiab tso cov tshuaj hormones xws li insulin thiab glucagon rau hauv cov hlab ntshav. Cov tshuaj hormones pancreatic, insulin thiab glucagon, ua haujlwm ua ke kom tswj tau cov piam thaj (piam thaj) kom raug hauv cov ntshav.
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Kev Kho Mob Ntshav Qab Zib ntawm Pancreatic beta cell Lub txiav txiav yog lub cev zoo li ntses uas nthuav dav thoob plaws hauv qab lub plab tom qab lub plab. Hauv cov txiav txiav muaj thaj chaw uas hu ua islets of Langerhans. Cov beta hlwb tsim cov hom cell loj hauv cov islets