2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
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).
Pom zoo:
Puas yog cov dab dab dab dab dab dab dab dab dab dab dab dab?
Myth: Ib tug dab tshos tsis yog neeg ncaj ncees yog tiasnws haum yog. Fact: Tu siab, qhov no yog ib lo lus tsis tseeb uas tau raug perpetuated los ntawm aversive trainers. Txawm hais tias haum rau lub caj dab kom zoo khawb rau hauv cov tawv nqaij rhiab nyob ib ncig ntawm lub caj dab, uas ua rau muaj kev puas tsuaj loj rau cov thyroid, esophagus, thiab trachea.
Qhov kev tshoov siab cov kauj ruam twg yog qhov tseeb?
Cov ntsiab lus hauv cov teeb no (10) inspiration 1. inspiratory leeg cog lus. … kev tshoov siab 2. kab noj hniav ntim nce ntxiv. kev tshoov siab 3. lub ntsws stretched. … kev tshoov siab 4. inrapulmonary pressure drops. kev tshoov siab 5.
Dab tsi yog peb cov ntaub qhwv cov ntaub so ntswg hauv cov leeg?
Cov ntaub so ntswg interstitial ntawm cov leeg yog subdivided rau hauv epimysium epimysium Lub epimysium yog cov ntaub so ntswg ntom ntom uas nyob ib puag ncig tag nrho cov leeg nqaij. Lub epimysium feem ntau muaj ntau pob (fascicles) ntawm cov leeg nqaij.
Nyob rau hauv kauj ruam lossis ntawm kauj ruam?
1 Teb. Thaum zoo sib xws, thiab feem ntau siv sib hloov, muaj kev sib txawv ntawm ob. "Nyob rau hauv txhua kauj ruam" txhais tau tias ib yam dab tsi ua tiav lossis tshwm sim ua ib feem ntawm cov txheej txheem. "Ntawm txhua kauj ruam"
Puas cov ntaub so ntswg epithelial puas muaj cov ntaub so ntswg hauv qab daus?
Ntseeg ntawm Epithelia Epithelial hlwb txuas rau ib hom tshwj xeeb ntawm extracellular matrix hu ua basal lamina basal lamina Lub basal lamina yog txheej ntawm extracellular matrix secreted los ntawm cov epithelial hlwb, ntawm uas lub epithelium zaum.
