![Lub hom phiaj ntawm melanocytes yog dab tsi? Lub hom phiaj ntawm melanocytes yog dab tsi?](https://i.answers-medical.com/preview/medical-health/14027334-what-is-the-purpose-of-melanocytes-j.webp)
Video: Lub hom phiaj ntawm melanocytes yog dab tsi?
![Video: Lub hom phiaj ntawm melanocytes yog dab tsi? Video: Lub hom phiaj ntawm melanocytes yog dab tsi?](https://i.ytimg.com/vi/8CP3c7bkaRk/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Melanocytes yog cov hlwb ntawm neural crest keeb kwm. Hauv tib neeg daim tawv nqaij, lawv tsim kev sib raug zoo nrog keratinocytes los ntawm lawv cov dendrites. Melanocytes tau paub zoo txog lawv lub luag haujlwm hauv daim tawv nqaij xim, thiab lawv lub peev xwm los tsim thiab faib cov melanin tau kawm ntau yam.
Kuj paub, melanocyte yog dab tsi thiab nws ua dab tsi?
Melanocyte , tshwj xeeb ntawm daim tawv nqaij ntawm tes uas tsim cov tawv nqaij tiv thaiv-ua kom cov xim melanin tsaus. Melanocytes yog branched, lossis dendritic, thiab lawv cov dendrites yog siv los hloov cov xim granules mus rau cov kab mob epidermal uas nyob ib sab.
Tsis tas li ntawd, vim li cas melanocytes tuag? Vitiligo tshwm sim thaum lub hlwb tsim cov xim ( melanocytes ) tuag lossis tsis tsim cov melanin - cov xim uas muab rau koj cov tawv nqaij, plaub hau thiab qhov muag xim. Cov thaj ua rau thaj ntawm cov tawv nqaij ua kom sib dua lossis dawb. Cov kws kho mob tsis paub tias yog vim li cas lub hlwb tsis ua hauj lwm los yog tuag.
Ntawm no, melanocytes tiv thaiv daim tawv nqaij li cas?
Kawm: Melanin Tiv thaiv Peb los ntawm Tawv nqaij Cancer tab sis tseem tuaj yeem ua rau nws. UVA hluav taws xob ua rau pom qhov txhab lossis puas DNA rau melanocytes , uas yog cov tawv nqaij cell uas tsim cov tawv nqaij pigment hu ua melanin. Melanin yog cov xim tiv thaiv hauv tawv nqaij , thaiv UV hluav taws xob los ntawm kev puas tsuaj DNA thiab muaj peev xwm ua rau tawv nqaij mob qog noj ntshav.
Lub hom phiaj ntawm keratinocytes yog dab tsi?
Keratinocyte Tus Qauv thiab Kev Ua Haujlwm Keratinocytes raug saib xyuas nyob rau ntau theem ntawm kev sib txawv ntawm cov kab mob hauv lub cev thiab muaj lub luag haujlwm los tsim kev sib txuas nruj nrog cov hlab ntsha ntawm daim tawv nqaij. Lawv kuj khaws Langerhans hlwb ntawm cov epidermis thiab lymphocytes ntawm lub dermis nyob rau hauv qhov chaw.
Pom zoo:
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Lub Cev Muaj Zog. Cov kabmob sib txawv tuaj yeem ua haujlwm ua ke kom ua haujlwm zoo ib yam, ib yam li koj lub cev zom zaub mov zom zaub mov. Peb hais txog kev sib koom ua ke ua lub cev. Pawg ntawm cov kab ke hauv lub cev ua haujlwm ua ke kom ua tiav, ua haujlwm tau zoo, zoo li peb
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