Puas yog jejunum muaj Peyer's thaj ua rau thaj?

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

Peyer thaj . Hla ntu ntawm ileum nrog a Peyer thaj ua voj voog. Lawv yog ib feem tseem ceeb ntawm cov hnyuv txuam nrog cov nqaij mos lymphoid feem ntau pom muaj nyob hauv tib neeg hauv qhov qis tshaj ntawm txoj hnyuv me, feem ntau yog nyob deb jejunum thiab ileum, tab sis kuj tuaj yeem kuaj pom hauv duodenum.

Yog li ntawd, koj tuaj yeem nrhiav Peyer thaj ua rau thaj nyob qhov twg?

Peyer thaj ua rau thaj yog cov ntaub so ntswg me me pom thoob plaws thaj tsam ileum ntawm txoj hnyuv me. Kuj tseem paub tias yog cov lymphoid nodules sib sau ua ke, lawv tsim ib feem tseem ceeb ntawm lub cev tiv thaiv kab mob los ntawm kev saib xyuas cov kab mob hauv plab thiab tiv thaiv kev loj hlob ntawm cov kab mob hauv cov hnyuv.

Ib yam nkaus, cov qauv hauv daim duab yog Peyer thaj? Peyer thaj ua rau thaj yog pawg ntawm subepithelial, lymphoid follicles pom nyob rau hauv txoj hnyuv. Lawv yog oval los yog rectangular nyob rau hauv puab thiab pom ntawm phab ntsa antimesentric ntawm txoj hnyuv. Lawv muaj qhov tshwj xeeb tshaj plaws hauv ileum thiab muaj cov yam ntxwv tshwj xeeb ntawm cov hlwb epithelial hu ua M cells.

Yog li ntawd, puas yog Peyer thaj ua rau thaj chaw qog ntshav?

Peyer thaj ua rau thaj yog groupings ntawm lymphoid cov hauv paus hauv cov hnoos qeev uas kab koj txoj hnyuv me. Lymphoid follicles yog me me lub cev hauv koj lymphatic system uas zoo ib yam li lymph nodes. Peyer thaj ua rau thaj ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv kab mob ntawm cov khoom hauv koj lub plab zom mov.

M cells thiab Peyer thaj ua haujlwm yog dab tsi?

M Cells nyob rau hauv Peyer thaj ua rau thaj ntawm Intestine. M hlwb yog tshwj xeeb epithelial hlwb ntawm mucosa-txuam lymphoid cov ntaub so ntswg. Yam ntxwv ntawm M hlwb yog tias lawv thauj cov antigens los ntawm lumen mus rau hlwb ntawm lub cev tiv thaiv kab mob, yog li pib tiv thaiv kab mob lossis ua siab ntev.