Cov pas nrig ntawm cov hlwb txav mus rau ntawm daim tawv nqaij raws li cov cell tshiab tsim hauv qab lawv. Thaum lawv txav mus los, lawv raug txiav tawm ntawm lawv cov khoom noj thiab pib tsim cov protein ntau hu ua keratin. Cov txheej txheem no hu ua keratinization (ker-uh-tuh-nuh-ZAY-shun). Raws li qhov no tshwm sim, cov plaub hau tuag
Cov txheej txheem ntawm Keratinization yog dab tsi?
Keratinization yog hais txog cov xwm txheej cytoplasmic uas tshwm sim hauv cytoplasm ntawm epidermal keratinocytes thaum lawv qhov sib txawv ntawm qhov kawg. Nws koom nrog tsim ntawm keratin polypeptides thiab lawv cov polymerization rau hauv keratin intermediate filaments (tonofilaments)
YKeratinization muaj nuj nqi yog dab tsi?
Keratinization yog ib lo lus pathologists siv los piav qhia cells tsim cov protein ntau hu ua keratin Cells uas tsim cov keratin muaj zog dua lwm cov hlwb uas ua rau lawv zoo ntawm kev tsim cov teeb meem ntawm lub ntiaj teb sab nraud thiab sab hauv lub cev.
Keratinized cells hauv epidermis ua dab tsi?
Cov hlwb hauv txhua txheej tshwj tsis yog stratum basale hu ua keratinocytes. Keratinocyte yog ib lub xovtooj ntawm tes tsim khoom thiab khaws cov protein keratinKeratin yog cov protein ntau hauv cellular uas muab cov plaub hau, rau tes, thiab tawv nqaij lawv cov tawv tawv thiab dej-tiv taus.
YYuav ua li cas rau keratinocytes tom qab Keratinization?
Keratinization yog ib feem ntawm lub cev thaiv kev tsim (cornification), uas cov keratinocytes tsim ntau dua thiab ntau keratin thiab undergo lub davhlau ya nyob twgCov pob kws tag nrho cov keratinocytes uas tsim cov txheej txheej sab nrauv yog tas li tso tawm thiab hloov los ntawm cov hlwb tshiab.