2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
H&E yog kev sib xyaw ntawm ob qhov kev tshawb fawb keeb kwm: hematoxylin thiab eosin. Lub hematoxylin stains cell nuclei ib purplish xiav, thiab eosin stains lub extracellular matrix thiab cytoplasm liab, nrog rau lwm cov qauv noj ntawm ntau ntxoov, hues, thiab ua ke ntawm cov xim.
eosin staining siv rau dab tsi?
Eosin tuaj yeem siv rau stain cytoplasm, qe ntshav liab, collagen, thiab nqaij fibers rau kev kuaj mob. Nws feem ntau yog siv los ua cov tshuaj tiv thaiv rau hematoxylin hauv H&E staining.
H thiab E sawv cev rau dab tsi?
H&E sawv rau hematoxylin thiab eosin. Cov no yog ob lub stains uas feem ntau siv rau hauv cov qauv ntaub so ntswg kom lawv tuaj yeem pom hauv qab lub microscope.
Cov qauv ntawm tes ua li cas eosin thiab hematoxylin stain?
Hematoxylin precisely stains nuclear Cheebtsam, suav nrog heterochromatin thiab nucleoli, thaum eosin stains cytoplasmic Cheebtsam suav nrog collagen thiab elastic fibers, nqaij fibers thiab cov qe ntshav liab.
Dab tsi yog stain hauv paus ntsiab lus ntawm hematoxylin thiab eosin txheej txheem kev kho mob daim ntawv thov ntawm stain?
Hematoxylin thiab eosin yog cov txheej txheem stains siv rau kev ua qauv qhia ntawm nucleus thiab cytoplasmic inclusions. Alum ua raws li mordant thiab hematoxylin uas muaj alum stains nucleus lub teeb xiav uas tig liab nyob rau hauv muaj kua qaub. Kev sib txawv ntawm tes yog ua tiav los ntawm kev kho cov ntaub so ntswg nrog cov kua qaubsolution.
Pom zoo:
Thaum lub sijhawm ua pa ntawm tes uas ntawm cov hauv qab no tso tawm los ntawm cov khoom lag luam?
Thaum lub sijhawm ua pa aerobic cellular, qabzib reacts nrog oxygen, tsim ATP uas tuaj yeem siv los ntawm tes. carbon dioxide thiab dej yog tsim los ntawm cov khoom lag luam. Hauv kev ua pa ntawm tes, qabzib thiab oxygen hnov qab tsim ATP.
Vim li cas xylene siv hauv staining?
Y Nyob rau hauv histology, xylene yog siv los ua cov ntaub so ntswg. … Yog vim li cas xylene ua haujlwm zoo heev rau kev ua cov ntaub so ntswg yog qhov nws ua rau cov ntaub so ntswg pob tshab kom cov paraffin tuaj yeem ntim cov ntaub so ntswg tag.
Puas yog cov kua qaub ceev staining yuav tsum tau cua sov?
Vim tias cov phab ntsa ntawm tes tiv taus ntau cov tebchaw, cov kab mob acid-ceev ceev yuav tsum muaj cov txheej txheem tshwj xeeb staining. Thawj cov stain siv hauv acid-ceev staining, carbolfuchsin, yog lipid-soluble thiab muaj phenol, uas pab cov stain nkag mus rau ntawm phab ntsa ntawm tes.
Dab tsi yog qhov ceev ntawm cov hlau raug tshem tawm los ntawm lub cuab yeej ntawm lub workpiece?
1. Kev nrawm . Kev txiav ceev (v) ntawm ib lub cuab yeej yog qhov ceev uas cov hlau raug tshem tawm los ntawm lub cuab yeej ntawm lub workpiece. Nyob rau hauv ib lub tshuab dhos, nws yog lub peripheral ceev ntawm kev ua hauj lwm yav dhau los cov cuab yeej txiav qhia nyob rau hauv meters ib feeb.
Lub sijhawm twg ntawm tus mob syphilis yog tus cwj pwm los ntawm qhov pom ntawm chancre?
Primary Stage Cov tsos mob ntawm ib leeg chancre qhia txog thawj (thawj) theem ntawm cov tsos mob syphilis, tab sis tej zaum yuav muaj ntau qhov mob. Lub chancre feem ntau yog (tab sis tsis tas li) khov kho, puag ncig, thiab tsis mob. Nws tshwm ntawm qhov chaw uas tus mob syphilis nkag mus rau hauv lub cev.
