Kev lig kev cai, choroid tau raug muab ua nws txoj haujlwm tseem ceeb, muab cov pa oxygen thiab cov as-ham rau sab nraud retina, lub teeb nqus (pigmented choroid), thermoregulation, thiab kev hloov pauv ntawm intraocular siab.
Kev ua haujlwm ntawm choroid quizlet yog dab tsi?
Nourishes lub retina thiab pab nrog kev nqus ntawm lub teeb kom tiv thaiv nws cov tawg hauv qhov muag. Lub luag haujlwm tseem ceeb ntawm choroid txheej yog dab tsi? chaw nruab nrab ntawm lub lens thiab pob kws ntim nrog dej txaus lom zem.
Dab tsi yog choroid Dab tsi yog nws txoj haujlwm?
Ib txheej nyias ntawm cov ntaub so ntswg uas yog ib feem ntawm nruab nrab txheej ntawm phab ntsa ntawm lub qhov muag, nruab nrab ntawm lub sclera (dawb txheej ntawm lub qhov muag) thiab lub retina (lub puab txheej ntawm cov paj hlwb nyob rau sab nraum qab ntawm lub qhov muag). qhov muag). Lub choriod tau ntim nrog cov hlab ntsha uas nqa oxygen thiab cov as-ham rau lub qhov muag
Tus qauv thiab kev ua haujlwm ntawm choroid yog dab tsi?
Choroid. Lub vascular (cov hlab ntsha loj), nruab nrab txheej ntawm lub qhov muag dag ntawm retina thiab sclera. Nws txoj haujlwm yog muab khoom noj rau cov txheej txheem sab nraud ntawm retina los ntawm cov hlab ntsha. Nws yog ib feem ntawm txoj kev uveal.
Lub luag haujlwm ntawm lub tsho choroid hauv qhov muag yog dab tsi?
1 Nws muaj cov pob txha pigmented epithelial hlwb thiab muab cov pa oxygen thiab khoom noj rau sab nrauv retina Cov choroid tsim cov kab mob uveal, uas suav nrog iris thiab lub cev ciliary. Cov xim tsaus melanin xim hauv choroid absorbs lub teeb thiab txwv kev cuam tshuam hauv lub qhov muag uas tuaj yeem ua rau tsis pom kev.
