Video: Collagen stain xim dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Collagen fibers stain ntsuab los yog xiav nrog Masson's trichrome stain. Cov leeg thiab keratin yuav yog liab.
Kuj paub yog, dab tsi yog trichrome stain rau?
Trichrome staining yog siv los pom cov ntaub so ntswg sib txuas, tshwj xeeb tshaj yog collagen, hauv cov ntaub so ntswg. Nyob rau hauv ib tug standard Masson's Trichrome Cov txheej txheem, collagen yog stained xiav, nuclei yog stained tsaus xim av, nqaij nqaij yog stained liab, thiab cytoplasm yog stained liab.
Ib tug kuj yuav nug, eosin stain collagen? Eosin stains lub cytoplasm thiab lwm yam qauv xws li extracellular matrix xws li collagen nyob rau hauv mus txog tsib ntxoov liab. Cov eosinophilic (cov khoom uas yog ua qias neeg los ntawm eosin ua ) cov qauv feem ntau yog tsim los ntawm intracellular lossis extracellular proteins.
Tsis tas li ntawd, PAS puas stain collagen?
Nws yog lub hauv paus ntawm lub PAS stain . PAS stains carbohydrates thiab carbohydrate nplua nuj macromolecules xim liab (magenta). Mucus nyob rau hauv cov hlwb thiab cov ntaub so ntswg, hauv qab daim nyias nyias, thiab txhuam ciam teb ntawm lub raum tubules thiab cov hnyuv me thiab loj Reticular fibers (piv txwv li. collagen ) nyob rau hauv cov ntaub so ntswg connective thiab pob txha mos.
Dab tsi xim ua cov leeg tau txais hauv Masson trichrome staining?
Masson Trichrome Staining Weigert's hlau hematoxylin stains lub nuclei dub, Biebrich scarlet-acid fuchsin stains cytoplasm thiab cov leeg fibers hauv liab thiab tom qab kho nrog phosphotungstic thiab phosphomolybdic acid, collagen yog ua qias neeg hauv xiav nrog aniline xiav. Kev pleev xim txheej txheem: 1.
Pom zoo:
Cov xim dab tsi yog cov hlwb feem ntau ua ntej siv thawj cov xim rau cov txheej txheem Gram stain?
Ua ntej, siv lead ua violet, thawj stain, yog siv rau lub tshav kub-tso smear, muab tag nrho cov hlwb xim liab
Yuav ua li cas yog qhov tshwm sim uas ib tug poj niam dig muag xim uas yuav ib tug txiv neej uas tsis pom kev zoo yuav muaj xim dig muag me nyuam?
Yog tias tus poj niam uas muaj lub zeem muag zoo li no (heterozygous rau qhov muag tsis pom xim) yuav ib tug txiv neej ib txwm muaj (XY), cov xeeb ceem hauv qab no tuaj yeem xav tau hauv F2 tiam: ntawm cov ntxhais, 50% yog ib txwm muaj thiab 50% yog cov neeg nqa khoom rau cov kab mob; ntawm cov tub, 50% yog xim dig muag thiab 50% yog qhov pom kev zoo
Dab tsi xim yog Staphylococcus aureus ua ntej stain?
Lab 4 Gram Staining/Acid Fast Staining Question Answer Cov xim ntawm Staphylococcus aureus ua ntej thawj stain yog ntxiv tsis muaj xim Pseudomonas aeuruginosa tom qab thawj cov stain ntxiv ntshav Bacillus megaterium tom qab cov mordant ntxiv ntshav Staphylococcus aureus hlwb tom qab decolorizer yog siv liab doog
Dab tsi xim ntawm tib neeg lub hlwb Gram stain?
Thawj stain, tag nrho cov kab mob yog stained ntshav. Counter stain. Qhov no stains decolorized kab mob liab. Tib neeg lub hlwb tuaj yeem stained nrog crystal violet thiab safranin, yog li vim li cas tib neeg lub hlwb tsis tuaj yeem ua gram stained?
Dab tsi xim kuv yuav tsum pleev xim rau kuv cov pob txha ntoo ntoo?
Ua kom sov Tones Qhov zoo tshaj plaws sov xim palettes rau knotty ntoo thuv siv tones ntawm daj ochre, burnt txiv kab ntxwv los yog cib liab. Cov tones sov tuaj yeem tinted nrog dawb thaum chav tsev xav tau cov xim sib dua. Cov xim no txuas lub ntuj sov ntawm cov ntoo tones, ntxiv kev nplua nuj thiab kev muaj sia nyob rau qhov chaw