Video: Lub hom phiaj ntawm kev teeb tsa hauv keeb kwm keeb kwm yog dab tsi?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Teeb yog txheej txheem uas cov ntaub so ntswg lossis cov hnoos qeev tau muab ntim rau hauv qhov loj ntawm teeb tsa nruab nrab siv pwm. Txij li thaum cov ntaub so ntswg cov nplais yog qhov tuab heev lawv xav tau kev txhawb nqa nruab nrab uas cov ntaub so ntswg blocks yog teeb . Qhov nruab nrab txhawb nqa no hu ua teeb tsa nruab nrab
Ntawm no, lub hom phiaj ntawm lub cev qhuav dej hauv keeb kwm yog dab tsi?
Lub cev qhuav dej tsuas yog tshem tawm cov dej los ntawm cov ntaub so ntswg uas tsis haum. Cov dej cawv feem ntau siv hauv chav kuaj rau cov ntaub so ntswg lub cev qhuav dej , txij li lawv tau misciblewith aqueous fixatives zoo li 10% formalin. Hauv theem no, cov cawv ua rau cov ntaub so ntswg sai sai thiab hloov dej nrog cawv.
Ib yam nkaus, dab tsi yog cov theem pib hauv kev kho cov ntaub so ntswg? Muaj peb leeg cov kauj ruam tseem ceeb hauv kev ua cov ntaub so ntswg , yog: ' lub cev qhuav dej ',' clearing 'thiab' infiltration '. Txhua tus cov kauj ruam ntawm cov ua txheej txheem cuam tshuam nrog qhov sib txawv ntawm kev daws teeb meem rau hauv cov ntaub so ntswg thiab kev faib tawm ntawm cov tshuaj ua ntej hauv koob.
Ntawm no, vim li cas paraffin siv los ua qhov nruab nrab?
Paraffin siv yog nrov tshaj plaws nruab nrab . Cov ib qho laj thawj yog vim muaj cov ntaub so ntswg loj uas tuaj yeem ua tiav hauv lub sijhawm luv. Lwm qhov laj thawj yog tias ntu ntu tau yooj yim tau thaum Paraffin tau siv . Tsis tu ncua thiab feem ntau tshwj xeeb cov xim tuaj yeem tsim los siv paraffin ib yam nkaus.
Dab tsi yog xylene siv rau hauv keeb kwm?
Hauv keeb kwm keeb kwm , xylene yog siv toprocess thiab stain cov ntaub so ntswg. Yog vim li cas xylene ua haujlwm tau zoo rau kev ua cov ntaub so ntswg yog tias nws ua cov ntaub so ntswg kom yog li ntawd cov paj noob hlis tuaj yeem ntim cov ntaub so ntswg. Thiab thaum npaj slides rau tsom iav, xylene tuaj yeem tshem tawm cov ciab uas seem los ntawm kev swb.
Pom zoo:
Dab tsi yog daim ntawv qhia keeb kwm keeb kwm?
Ib daim ntawv qhia keeb kwm keeb kwm piav qhia cov ntaub so ntswg uas tau xa mus rau kev tshuaj xyuas thiab cov yam ntxwv ntawm yam mob qog noj ntshav zoo li cas hauv qab tsom iav. Ib daim ntawv qhia keeb kwm keeb kwm qee zaum hu ua daim ntawv txheeb xyuas keeb kwm lossis daim ntawv qhia txog kab mob
Dab tsi yog kev tshawb fawb kws tshawb fawb txog keeb kwm keeb kwm los kwv yees lub sijhawm tuag piav qhia vim li cas kev kwv yees tsis tas yuav ncaj?
Ib tus kws tshawb fawb kws tshawb fawb txog keeb kwm tshawb fawb kev txhim kho kab ntawm kab hauv lub cev los kwv yees lub sijhawm tuag. Cov kev txiav txim siab no tsis yog qhov yooj yim ib txwm vim tias tus nqi ntawm cov kab menyuam loj hlob tau cuam tshuam los ntawm ib puag ncig cuam tshuam xws li thaj chaw nyob, huab cua, thiab huab cua puag ncig
Lub hom phiaj ntawm cov roj raus dej uas siv nrog 100x lub hom phiaj xeem ntawv yog dab tsi?
Hauv lub tshuab tsom me me, kev tso roj yog txheej txheem siv txhawm rau txhawm rau daws qhov teeb meem ntawm lub tsom iav. Qhov no yog ua tiav los ntawm kev raus ob lub hom phiaj tsom iav thiab cov hnoos qeev hauv cov roj pob tshab ntawm qhov ntsuas siab refractive, yog li ua kom cov zauv zauv ntawm lub hom phiaj tsom iav
Dab tsi yog lub luag haujlwm ntawm tus kws tshawb fawb keeb kwm keeb kwm anthropologist?
Txoj haujlwm ntawm kws tshuaj xyuas keeb kwm keeb kwm yav dhau los ua haujlwm hauv thaj chaw feem ntau suav nrog: Ua tib neeg seem. Ntxuav cov skeletal seem. Tshawb xyuas cov seem decomposed rau cov cim ntawm kev raug mob. Muab cov ntaub ntawv lom neeg txog cov seem. Sau cov ntawv ceeb toom. Ua haujlwm ze nrog cov neeg tshawb nrhiav thiab cov neeg sawv cev tshwj xeeb. Muab pov thawj hauv tsev hais plaub
Qhov twg ntawm lub qhov muag muaj lub teeb pom kev uas hloov pauv lub teeb liab mus rau hauv kev xav ntawm lub paj hlwb?
Lub teeb yog mapped raws li ib tug duab nyob rau saum npoo ntawm lub retina los ntawm activating ib tug series ntawm lub teeb-sensitive hlwb hu ua rods thiab cones. Cov hlwb photoreceptor no hloov lub teeb mus rau hluav taws xob uas tau xa mus rau lub hlwb los ntawm cov hlab ntsha