Nws muaj peb kauj ruam tseem ceeb hauv kev ua cov ntaub so ntswg, uas yog: 'dehydration', 'clearing', thiab 'infiltration'. Txhua kauj ruam ntawm kev ua txheej txheem suav nrog kev sib kis ntawm cov tshuaj rau hauv cov ntaub so ntswg thiab dispersion ntawm cov tshuaj yav dhau los hauv koob.
Yuav ua li cas yog cov kauj ruam hauv kev ua cov ntaub so ntswg?
Txheej txheem cej luam ntawm cov kauj ruam hauv kev ua cov ntaub so ntswg rau paraffin seem
- Tau txais cov qauv tshiab. Cov ntaub so ntswg tshiab yuav los ntawm ntau qhov chaw. …
- Kev kho. Cov qauv no tau muab tso rau hauv cov kua tshuaj kho (fixative) xws li formaldehyde tov (formalin). …
- Dehydration. …
- Nyob zoo. …
- Wax infiltration. …
- Kev sib sau lossis thaiv tawm.
Dab tsi yog qhov tseeb ntawm cov kauj ruam histological los npaj tus qauv?
Muaj 5 kauj ruam rau kev npaj cov qauv:
- Kev kho. Kev kho yog nqa tawm tam sim tom qab tshem tawm cov qauv kom pom. …
- Kev sib koom. Embedding yog cov kauj ruam uas tom qab fixation nyob rau hauv ib tug fixative tov. …
- Kev faib tawm. Kev faib tawm yog ua los ntawm microtomy lossis cryotomy. …
- Staining thiab immunolabeling. …
- Nyob.
Vim li cas peb thiaj ua cov ntaub so ntswg?
Lub hom phiaj ntawm Kev Ua Cov Hniav yog kom tshem tawm cov dej ntawm cov ntaub so ntswg thiab hloov nrog qhov nruab nrab uas ua kom muaj zog kom nyias nyiasntus yuav raug txiav.
Dab tsi yog kauj ruam tseem ceeb tshaj plaws hauv kev ua cov ntaub so ntswg?
KEV. Fixation ntawm cov ntaub so ntswg yog cov kauj ruam tseem ceeb tshaj plaws hauv kev npaj cov ntaub so ntswg rau kev soj ntsuam hauv kev xa hluav taws xob tshuab hluav taws xob. Fixation muaj ob kauj ruam: tshem tawm ntawm lub neej ib txwm ua haujlwm hauv cov ntaub so ntswg (tua) thiab stabilization ntawm cov qauv ntawm cov ntaub so ntswg (preservation).
