Lymphoid aggregates txhais li cas?
Lymphoid aggregates txhais li cas?

Video: Lymphoid aggregates txhais li cas?

Video: Lymphoid aggregates txhais li cas?
Video: 8:00 LYMPHOID SYSTEM AND ORGANS OF HEMATOPOIESIS AND IMMUNE DEFENSE 2024, Lub Xya hli ntuj
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Tus naj npawb ntawm lymphoid follicles thiab sib sau ua ke hauv txhua biopsy. 17, 18 Lymphoid cov hauv paus tau txhais raws li sib sau ua ke ntawm lymphocytes nrog ib tug germinal chaw. A lymphoid sib sau ua ke txhais tau tias yog txuam nrog cov lymphocytes thiab plasma hlwb yam tsis muaj qhov chaw germinal.

Ua kom pom qhov no, dab tsi ua rau lymphoid aggregates hauv cov pob txha pob txha?

Reactive lymphoid aggregates hauv pob txha pob txha (BM) NPE kuaj nqaij feem ntau pom hauv lub hnub nyoog laus, koom nrog kev kis mob, mob, myeloproliferative ntshawv siab, hemolysis thiab kab mob autoimmune xws li mob caj dab rheumatoid thiab thyrotoxicosis Association ntawm cov lymphoid aggregates nrog hypereosinophilia tsis yog qhov tshwm sim

Tsis tas li, cov qog lymphoid tseem ceeb txhais li cas? Nyob rau hauv cov mob inflammatory, tus naj npawb, txoj kab uas hla thiab ceev ntawm kev sib cais lymphoid cov hauv paus hniav (ILFs) nce. Lawv tsis yog tsuas yog koom nrog kev tiv thaiv kab mob tiv thaiv kab mob, tab sis lawv lub xub ntiag kuj tseem yog qhov tseem ceeb hauv kev rov tsim cov mucosal ntawm txoj hnyuv.

Tsis tas li kom paub yog, dab tsi yog lymphoid follicle?

Lymphoid follicles yog cov ntaub so ntswg me me uas muaj kev sib sau ua ke ntawm cov qog ua kua, feem ntau yog B hlwb nrog qee cov T cells thiab dendritic cells.

Colonic mucosa yog dab tsi?

Cov mob plab mucosa tau npog los ntawm cov qog ua kua-zais cov hlwb thiab crypts. Ntau yam tshuaj ua haujlwm raws li kev loj hlob uas tuaj yeem txhawb kev loj hlob ntawm epithelial. Hauv txoj hnyuv , kev them rov qab epithelial yog cuam tshuam nrog kev tsiv chaw ntawm cov cell ntawm qhov nrawm ntawm kwv yees li 2 Μm/min.

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