2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Merkel hlwb nyob hauv txheej ntawm cov hlwb basal ntawm qhov tob tshaj plaws ntawm cov epidermis thiab txuas nrog paj hlwb.
Merkel cov hlwb pib qhov twg?
Lub hauv paus chiv keeb ntawm Merkel hlwb tsis meej, vim lawv qhia ob qho tib si epidermal thiab neuroendocrine nta. Kev tshawb fawb qhia tias lawv tuaj yeem muab tau los ntawm pluripotential qia hlwb ntawm dermis lossis, ua lwm txoj hauv kev, los ntawm neural crest cells. Cov ntaub ntawv cytologic thiab immunohistochemical txhawb ob qhov kev sib cav.
Dab tsi txheej ntawm epidermis yuav cuam tshuam los ntawm Merkel cell carcinoma?
Merkel hlwb tsis tshua muaj thiab pom muaj nyob hauv txheej basal ntawm epidermis thiab nyob ib ncig ntawm thaj tsam ntawm cov hauv paus plaub hau.
Merkel cell muaj nyob qhov twg?
Merkel hlwb yog nonndendritic, nonkeratinocytic epithelial hlwb nyob feem ntau nyob rau hauv los yog ze rau lub basal txheej ntawm cov epidermis. Ob peb ntawm cov hlwb no kuj pom muaj nyob rau hauv lub dermis thiab feem ntawm ectodermally derived mucosa.
Langerhans thiab Merkel hlwb nyob qhov twg?
cell hom: Merkel hlwb thiab Langerhans hlwb. Merkel hlwb tsim ib feem ntawm cov qauv kev xav. Langerhans hlwb yog dendritic tab sis unpigmented thiab pom ze ntawm daim tawv nqaij tshaj melanocytes. Tom qab ib puas xyoo ntawm cov lus nug txog lawv lub hom phiaj, tam sim no nws yog tseeb hais tias lawv muaj ib tug tseem ceeb immunologic muaj nuj nqi.
Pom zoo:
Qhov kuaj daim tawv nqaij ntawm tuberculin nyob qhov twg?
Kev kuaj kab mob TB yog ua los ntawm kev txhaj tshuaj me me (hu ua tuberculin) rau hauv daim tawv nqaij ntawm sab caj npab. Ib tus neeg uas tau kuaj mob tuberculin yuav tsum rov qab los li ntawm 48 mus rau 72 teev kom tus neeg ua haujlwm kho mob tau txais kev cob qhia saib xyuas cov tshuaj tiv thaiv ntawm caj npab.
Nyob rau hauv cov txheej txheem ntawm daim tawv nqaij hauv qab no yuav ua rau subcutaneous?
Hypodermis. Lub hypodermis (tseem hu ua subcutaneous txheej los yog superficial fascia) yog ib txheej ncaj qha hauv qab dermis thiab ua haujlwm txuas cov tawv nqaij mus rau hauv qab fascia (cov ntaub so ntswg fibrous) ntawm cov pob txha thiab cov leeg.
Puas yog tawv nqaij tawv nqaij tawv nqaij khawb yooj yim?
tawv tawv, zoo li calfskin, tuaj yeem nkag siab rau khawbtab sis tau yooj yim rov qab los ntawm tus kws tshwj xeeb lub hnab. Puas yog tawv nqaij tawv tawv tawv tawv? Feem ntau hais lus, calf tawv yog ruaj khov, tshwj xeeb tshaj yog rau nws qhov hnyav thiab tuab.
Vim li cas kuv cov tawv nqaij tawv tawv?
Cov tsos mob yog dab tsi? Ib qho cim qhia tias koj yuav muaj kev cuam tshuam rau tus kheej tan yog koj cov tawv nqaij khaus khaus heev los yog khaus tom qab daim ntawv thov. Qhov no tuaj yeem tshwm sim tam sim lossis ob peb teev tom qab koj siv nws thaum koj cov tawv nqaij tau hloov kho.
Yuav ua li cas tawv tawv tawv tawv?
tawv tawv tsis yooj yim tawg lossis tev. Qhov tseeb, nws zoo nkauj hnub nyoog dhau sijhawm, tsis zoo li tawv tawv. Nws yog ib qho tseem ceeb rau kev qhia peb tus kheej nrog cov khoom siv thiab cov khoom zoo peb cov tawv nqaij yog ua los ntawm cov khoom zoo tshaj plaws ntawm nws.
