![Cov ntaub so ntswg ua haujlwm li cas hauv histopathology? Cov ntaub so ntswg ua haujlwm li cas hauv histopathology?](https://i.answers-medical.com/preview/medical-health/14112680-how-is-tissue-processed-in-histopathology-j.webp)
Video: Cov ntaub so ntswg ua haujlwm li cas hauv histopathology?
![Video: Cov ntaub so ntswg ua haujlwm li cas hauv histopathology? Video: Cov ntaub so ntswg ua haujlwm li cas hauv histopathology?](https://i.ytimg.com/vi/Z0gXBgCQaYk/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov txheej txheem ntawm kev kho cov ntaub so ntswg rau hauv paraffin yog hu ua ua cov ntaub so ntswg . Cov kauj ruam tseem ceeb hauv qhov no txheej txheem yog lub cev qhuav dej thiab tshem tawm. Ntub tsau cov ntaub so ntswg (hauv cov tshuaj aqueous) tsis tuaj yeem nkag ncaj qha nrog paraffin. Ua ntej, dej los ntawm cov ntaub so ntswg yuav tsum tau muab tshem tawm los ntawm lub cev qhuav dej.
Ua kom pom qhov no, cov ntaub so ntswg ua dab tsi hauv keeb kwm keeb kwm?
“ Cov ntaub so ntswg ua Piav qhia cov kauj ruam uas yuav tsum tau coj tsiaj lossis tib neeg cov ntaub so ntswg los ntawm kev kho rau lub xeev uas nws tau nkag mus nrog qhov tsim nyog histological wax thiab tuaj yeem embedded npaj rau ntu txiav ntawm microtome.
Tsis tas li ntawd, dab tsi yog teeb tsa hauv cov ntaub so ntswg? Teeb yog txheej txheem hauv qhov twg cov ntaub so ntswg los yog cov hnoos qeev tau muab ntim rau hauv ib pawg teeb tsa nruab nrab siv lub pwm. Txij li thaum cov ntaub so ntswg blocks yog nyias nyias nyob rau hauv thickness lawv xav tau ib tug txhawb nruab nrab nyob rau hauv uas lub cov ntaub so ntswg blocks yog teeb.
Ib yam li ntawd, tib neeg nug, lub hauv paus ntsiab lus ntawm kev ua cov ntaub so ntswg yog dab tsi?
Kev ua cov ntaub so ntswg yog kev txhawj xeeb nrog rau qhov diffusion ntawm ntau yam khoom mus rau hauv thiab tawm ntawm ntxeem tau cov ntaub so ntswg . Diffusion tshwm sim los ntawm kev nyiam ntawm ua reagents kom sib npaug cov concentrations ob sab hauv thiab sab nraud blocks ntawm cov ntaub so ntswg.
Kev npaj cov ntaub so ntswg yog dab tsi?
Muaj plaub theem hauv kev npaj cov ntaub so ntswg . Fixation stabilizes thiab khaws cia cov ntaub so ntswg . Embedding converts cov cov ntaub so ntswg rau hauv ib daim ntawv uas tuaj yeem hlais ("sectioned"). Kev faib tawm (hlais) muab cov hnoos qeev uas xav tau rau tsom iav.
Pom zoo:
Dab tsi yog qhov sib txawv ntawm cov ntaub so ntswg sib txuas tsis tu ncua thiab cov ntaub so ntswg sib txuas tsis sib xws?
![Dab tsi yog qhov sib txawv ntawm cov ntaub so ntswg sib txuas tsis tu ncua thiab cov ntaub so ntswg sib txuas tsis sib xws? Dab tsi yog qhov sib txawv ntawm cov ntaub so ntswg sib txuas tsis tu ncua thiab cov ntaub so ntswg sib txuas tsis sib xws?](https://i.answers-medical.com/preview/medical-health/13907369-what-is-the-difference-between-dense-regular-connective-tissue-and-dense-irregular-connective-tissue-j.webp)
Cov ntaub so ntswg sib txuas tsis sib thooj muaj cov fibers uas tsis tau sib dhos ua ke zoo ib yam li cov ntaub so ntswg sib txuas ib ntus. Cov ntaub so ntswg sib txuas tsis sib thooj muaj feem ntau ntawm cov fibers collagen. Nws muaj cov khoom hauv av tsawg dua li cov ntaub so ntswg sib txuas
Hom ntaub so ntswg sib txuas twg yog cov ntaub so ntswg?
![Hom ntaub so ntswg sib txuas twg yog cov ntaub so ntswg? Hom ntaub so ntswg sib txuas twg yog cov ntaub so ntswg?](https://i.answers-medical.com/preview/medical-health/14008879-what-type-of-connective-tissue-is-reticular-tissue-j.webp)
Cov ntaub so ntswg reticular yog ib hom tshwj xeeb ntawm cov ntaub so ntswg sib txuas uas muaj nyob hauv ntau qhov chaw uas muaj cov ntsiab lus ntawm tes. Nws muaj ib tug ceg thiab mesh-zoo li tus qauv, feem ntau hu ua reticulum, vim yog kev npaj ntawm reticular fibers (reticulin). Cov fibers no yeej yog hom III collagen fibrils
Cov ntaub so ntswg yog dab tsi thiab muaj pes tsawg hom ntaub so ntswg?
![Cov ntaub so ntswg yog dab tsi thiab muaj pes tsawg hom ntaub so ntswg? Cov ntaub so ntswg yog dab tsi thiab muaj pes tsawg hom ntaub so ntswg?](https://i.answers-medical.com/preview/medical-health/14089310-what-is-tissue-and-how-many-types-of-tissue-j.webp)
Cov ntaub so ntswg yog ib pawg ntawm cov cell uas muaj cov duab zoo sib xws thiab ua haujlwm. Cov ntaub so ntswg sib txawv tuaj yeem pom hauv cov kabmob sib txawv. Hauv tib neeg, muaj plaub yam tseem ceeb ntawm cov ntaub so ntswg: epithelial, txuas, leeg, thiab leeg nqaij. Tej zaum yuav muaj ntau cov ntaub so ntswg hauv txhua qhov ntawm cov ntaub so ntswg
Lub luag haujlwm ntawm phloem cov ntaub so ntswg nyob rau hauv cov nroj tsuag thauj system yog dab tsi?
![Lub luag haujlwm ntawm phloem cov ntaub so ntswg nyob rau hauv cov nroj tsuag thauj system yog dab tsi? Lub luag haujlwm ntawm phloem cov ntaub so ntswg nyob rau hauv cov nroj tsuag thauj system yog dab tsi?](https://i.answers-medical.com/preview/medical-health/14110703-what-is-the-function-of-phloem-tissue-in-the-plant-transport-system-j.webp)
Phloem yog cov ntaub so ntswg ua lub luag haujlwm rau kev thauj cov suab thaj los ntawm cov ntaub so ntswg (ex. photosynthetic nplooj hlwb) mus rau hauv cov ntaub so ntswg (ex. non-photosynthetic cag hlwb los yog tsim paj). Lwm cov molecules xws li cov proteins thiab mRNAs kuj tau thauj thoob plaws hauv cov nroj tsuag ntawm phloem
Qhov twg ntawm cov hauv qab no yog kev ua haujlwm ntawm cov ntaub so ntswg epithelial?
![Qhov twg ntawm cov hauv qab no yog kev ua haujlwm ntawm cov ntaub so ntswg epithelial? Qhov twg ntawm cov hauv qab no yog kev ua haujlwm ntawm cov ntaub so ntswg epithelial?](https://i.answers-medical.com/preview/medical-health/14126821-which-of-the-following-is-a-function-of-epithelial-tissue-j.webp)
Kev ua haujlwm ntawm cov hlwb epithelial suav nrog kev zais cia, xaiv qhov nqus, tiv thaiv, kev thauj mus los, thiab kev hnov. Cov txheej epithelial tsis muaj cov hlab ntshav, yog li lawv yuav tsum tau txais kev txhawb nqa los ntawm kev nthuav tawm cov tshuaj los ntawm cov ntaub so ntswg sib txuas, los ntawm cov hauv qab daus