Dab tsi yog cov cell hauv thymus?
Dab tsi yog cov cell hauv thymus?

Video: Dab tsi yog cov cell hauv thymus?

Video: Dab tsi yog cov cell hauv thymus?
Video: T cell development in the Thymus 2024, Lub rau hli ntuj
Anonim

Muaj ob pawg loj ntawm cov hlwb hauv thymus. Cov no yog cov thymic epithelial cells thiab thymocytes. Thymic epithelial cells yog endodermal derivatives ntawm peb lub pharyngeal hnab uas sib txawv ntxiv rau hauv tshwj xeeb epithelium hauv cortex thiab medulla.

Ua raws li qhov no hauv kev txiav txim siab, lub cell twg loj hlob hauv thymus?

T hlwb

Kuj Paub, thymus qog ua los ntawm dab tsi? Cov thymus ua Cov ntaub so ntswg yog qhov txawv ntawm ib cheeb tsam sab nraud, lub cortex, thiab ib cheeb tsam sab hauv, lub medulla. Lub cev yog tsim Feem ntau ntawm ob hom cell, hu ua, feem, lymphocytes (saib lymphocyte) thiab reticular hlwb.

Tsis tas li ntawd, thymus muaj nuj nqi yog dab tsi?

Cov thymus ua ua haujlwm tseem ceeb luag hauj lwm nyob rau hauv kev cob qhia thiab kev loj hlob ntawm T-lymphocytes los yog T hlwb, ib yam tseem ceeb heev ntawm cov qe ntshav dawb. T cells tiv thaiv lub cev los ntawm cov kab mob uas tuaj yeem ua rau tuag taus xws li kab mob, kab mob, thiab fungi.

thymus nyob qhov twg?

Lub thymus yog nyob rau hauv lub Upper anterior (pem hauv ntej) ib feem ntawm koj lub hauv siab ncaj nraim tom qab koj sternum thiab nruab nrab ntawm koj. lub ntsws . Lub cev pinkish-grey muaj ob thymic lobes. Cov thymus ncav nws qhov hnyav tshaj (kwv yees li 1 ounce) thaum puberty. Thymosin txhawb kev loj hlob ntawm T hlwb.

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