Dab tsi yog qhov qhib hauv lub tsho choroid?
Dab tsi yog qhov qhib hauv lub tsho choroid?

Video: Dab tsi yog qhov qhib hauv lub tsho choroid?

Video: Dab tsi yog qhov qhib hauv lub tsho choroid?
Video: 3/21/2022: Ukraine, Dav Hlau Poob, Phiab Vaj Txoj Kev, Ntxias Nyiag Saw Kub, Tsheb Tsoo, Kub Hnyiab. 2024, Cuaj hlis
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Saib ua ntej Flashcards

Pem hauv ntej Rov qab
qhib hauv lub tsho choroid menyuam kawm ntawv
thaj chaw ntshiab nyob rau sab xub ntiag ntawm sclera pob kws
cov dej hauv lub qhov muag ntawm lub qhov muag dej lom zem
muaj cov leeg nqaij sab hauv uas tswj hwm lub teeb nkag mus rau hauv tus menyuam iris

Kuj lo lus nug yog, dab tsi yog txoj haujlwm ntawm lub tsho tiv no choroid?

Ib qho pigmented, heev vascular daim nyias nyias ntawm lub qhov muag uas txuas ntxiv nrog lub iris thiab nyob nruab nrab ntawm lub sclera thiab lub retina, ua haujlwm los txhawb cov retina thiab nqus cov teeb tawg.

Ib tug kuj yuav nug, choroid nyob qhov twg? Cov choroid , tseem hu ua choroidea lossis choroid lub tsho tiv no, yog txheej vascular ntawm lub qhov muag, muaj cov ntaub so ntswg sib txuas, thiab pw ntawm retina thiab sclera. Tib neeg choroid yog tuab tshaj plaws nyob rau sab nraub qaum ntawm lub qhov muag (ntawm 0.2 hli), thaum nyob rau thaj tsam sab nrauv nws nqaim mus rau 0.1 hli.

Tsis tas li ntawd, choroid yog dab tsi hauv kev sib cuag nrog?

Choroid : Hauv qhov muag, txheej txheej vascular nyias nruab nrab ntawm qhov muag thiab retina. Cov choroid muab ntshav rau cov retina thiab ua cov hlab ntsha thiab qab haus huv rau lwm cov qauv hauv qhov muag.

Peb txheej ntawm qhov muag yog dab tsi?

Lub qhov muag yog tsim los ntawm peb txheej: txheej txheej hu ua fibrous tunic, uas muaj cov sclera thiab cov pob kws ; txheej nruab nrab lub luag haujlwm saib xyuas kev noj zaub mov, hu ua vascular tunic, uas suav nrog iris, choroid, thiab lub cev ciliary; thiab sab hauv txheej ntawm photoreceptors thiab neurons hu ua

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