Puas yog cov qog ntshav ib feem ntawm malt?

2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44

MALT tej zaum yuav muaj xws li ib tug sau ntawm lymphoid hlwb, los yog nws yuav muaj xws li me me nyob ib leeg cov qog ntshav . Lymph nodes muaj ib cheeb tsam lub teeb-staining (germinal center) thiab peripheral dark-staining cheeb tsam. Lub chaw germinal yog tus yuam sij rau lub cim ntawm lub cev tiv thaiv kab mob. Qhov chaw ntawm MALT yog qhov tseem ceeb rau nws txoj haujlwm.

Ib yam li ntawd, malt hauv lymphatic system yog dab tsi?

Cov ntaub so ntswg mucosa txuam nrog lymphoid ( MALT ), kuj hu ua mucosa-sociated lymphatic cov ntaub so ntswg, yog ib tug diffuse lawv me me ntawm cov nqaij mos lymphoid pom nyob hauv ntau qhov chaw submucosal membrane ntawm lub cev, xws li txoj hnyuv, nasopharynx, cov thyroid, lub mis, lub ntsws, lub ntsws, qog nqaij hlav hauv lub qhov muag, thiab tawv nqaij.

Ib yam li ntawd, puas yog thymus ib feem ntawm malt? Lub sij hawm thawj cov ntaub so ntswg lymphoid yog siv los piav qhia qhov chaw ntawm lymphocyte maturation, suav nrog pob txha pob txha thiab thymus ua . Cov ntaub so ntswg lymphoid thib ob yog qhov chaw ntawm kev ua kom lymphocyte thiab nthuav tawm. Cov no suav nrog tus po, qog ntshav, thiab MALT . Cov no muaj xws li lymph nodes, thymus ua , thiab pleb.

Ib yam li ntawd, puas yog Peyer's thaj ua rau thaj malt?

Cov mucosa ntawm txoj hnyuv, ua pa thiab tso zis feem ntau muaj cov me me ntawm cov lymphocytes hu ua lymphoid follicles. Cov no hu ua 'Mucosa associated lymphoid tissue' ( MALT ). Peyer thaj ua rau thaj kom tsis txhob muaj lymphatic afferent.

Cov kab ke hauv lub cev twg muaj malt?

MALT lymphomas tuaj yeem tshwm sim hauv ntau yam lub cev , suav nrog lub orbit, kab mob sib txuas, qog ua kua qaub, tawv nqaij, qog qog ntshav, lub ntsws, plab, thiab hnyuv. Cov qog no feem ntau nyob hauv thiab muaj indolent soj ntsuam tus cwj pwm.