Cov islets ntawm Langerhans tsis tau pom los ntawm James Cook, vim lawv tsis yog thaj chaw thaj chaw - lawv yog ib feem ntawm peb lub cev. Cov islets ntawm pancreatic lossis islets ntawm Langerhans yog pancreatic hlwb uas tsim cov tshuaj insulin.
Leej twg pom cov islets ntawm Langerhans?
Lub npe Paul Langerhans yuav, mus ib txhis, cuam tshuam nrog ob qhov kev tshawb pom uas nws tau tsim: cov islets ntawm Langerhans hauv cov txiav thiab cov hlwb uas nws pom hauv daim tawv nqaij. Ua haujlwm hauv chav kuaj ntawm Prof.
Yuav ua li cas txhawb kev zais ntawm cov khoom ntawm islet ntawm Langerhans?
Homeostasis ntawm ntshav qabzib yog tswj hwm los ntawm cov tshuaj hormone secretion los ntawm pancreatic islets ntawm Langerhans. Glucose txhawb nqa insulin secretion los ntawm beta-hlwb tab sis inhibits kev tso tawm ntawm glucagon, ib yam tshuaj uas nce ntshav qabzib, los ntawm alpha-cells.
Dab tsi yog 3 lub hlwb loj hauv pancreas?
Tus tib neeg tus txiav txiav muaj txog 1 lab islets. Cov islets muaj plaub hom cell, ntawm peb ( alpha, beta, thiab delta hlwb) tsim cov tshuaj hormones tseem ceeb; thib plaub (C cells) tsis paub ua haujlwm.
Lub cev twg hauv tib neeg lub cev muaj cov islets ntawm Langerhans?
Islets ntawm Langerhans yog cov kob ntawm cov kab mob endocrine tawg thoob plaws tus txiav txiav.
