Ora serrata retinae nyob qhov twg?

2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2023-12-16 01:49

Peripheral Retina Lub ora serrata yog lub peripheral termination ntawm retinathiab lies kwv yees li 5 hli anterior mus rau kab zauv ntawm lub qhov muag. Nws lub npe muab los ntawm cov qauv scalloped ntawm bays thiab dentate txheej txheem (saib Tshooj 3); Lub retina txuas ntxiv mus rau sab hauv nruab nrab ntawm lub qhov muag.

Lub luag haujlwm ntawm ora serrata retinae yog dab tsi?

Lub ora serrata yog qhov sib txuas ntawm retina thiab lub cev ciliary. Qhov kev sib tshuam no cim kev hloov pauv los ntawm thaj chaw yooj yim uas tsis yog-photosensitive ntawm retina mus rau qhov nyuaj, ntau txheej txheej photosensitive cheeb tsam.

uveal tract nyob qhov twg?

Tseem nruab nrab ntawm phab ntsa ntawm qhov muag

lub hauv paus vitreous nyob qhov twg?

Cov vitreous thiab retina feem ntau ua raws ntawm "vitreous puag." Lub hauv paus yog nyob rau hauv feem ntau rau pem hauv ntej ntawm retina, uas yog, thaj tsam tom qab lub iris. Feem ntau cov retina thiab vitreous tsis sib cais txawm tias tom qab lub vitreous detachment (PVD).

qhov vitreous txuas rau retina nyob qhov twg?

Kev lom zem vitreous yog nyob rau hauv kev sib cuag nrog lub vitreous membrane overlying lub retina. Collagen fibrils txuas lub vitreous ntawm lub paj hlwb optic thiab lub ora serrata (qhov twg lub retina xaus rau anteriorly), ntawm Wieger-band, dorsal sab ntawm lub lens.

25 cov lus nug ntsig txog pom

Y Yuav ua li cas ntawm lub vitreous?

Lub vitreous lom zem lub luag haujlwm tseem ceeb yog txhawm rau tuav lub qhov muag puag ncigQhov loj thiab cov duab ntawm lub vitreous lom zem kuj ua kom ntseeg tau tias nws tseem txuas rau retina, uas yog txheej tom qab ntawm lub qhov muag uas yog rhiab rau lub teeb. Lub vitreous lom zem kuj yog ib feem ntawm lub qhov muag uas tuaj yeem pab ua kom pom kev pom tseeb.

Qhov twg ntawm qhov muag yog uveal?

uvea yog txheej nruab nrab ntawm lub qhov muag. Nws nyob hauv qab qhov dawb ntawm lub qhov muag (lub sclera). Nws yog tsim los ntawm iris, ciliary lub cev, thiab choroid. Cov qauv no tswj ntau lub qhov muag ua haujlwm, suav nrog kev kho kom haum rau qib sib txawv ntawm lub teeb lossis qhov deb ntawm cov khoom.

uveal txhais li cas?

(yo͞o′vē-ə) Cov vascular nruab nrab ntawm lub qhov muag ua rau lub iris, ciliary lub cev, thiab choroid. [Medieval Latin ūvea, los ntawm Latin ūva, grape.] uve·al adj.

3 txheej ntawm uvea yog dab tsi?

Nws muaj peb ntu: (1) lub iris, uas yog xim ntawm qhov muag; (2) lub cev ciliary, uas yog cov qauv hauv lub qhov muag uas secretes cov kua pob tshab nyob rau hauv lub qhov muag; thiab (3) choroid, uas yog txheej ntawm cov hlab ntsha thiab cov ntaub so ntswg sib txuas ntawm sclera thiab retina.

Zonular fibers ua dab tsi?

Zonular fibers hla dhau lub cev ciliary thiab txuas nrog lub tshuaj ntsiav ntawm lub lens ib qho luv luv nyob rau pem hauv ntej ntawm nws txoj kab nruab nrab. Cov fibers no hloov lub zog tsom ntawm lub qhov muag los ntawm kev hloov qhov nro ntawm cov fibers los ntawm kev cog lus thiab so ntawmcov leeg ciliary.

Zonule ciliary ua dab tsi?

Ciliary zonules yog lub nplhaib ntawm cov qauv fibrous anchoring lub ciliary lub cev nrog lub lens ntawmqhov muag. Cov no yog cov qauv uas pab tswj txoj haujlwm ntawm lub lens nyob rau hauv txoj kev kho qhov muag, thiab cov leeg thauj tog rau nkoj uas hloov cov duab ntawm lub lens hloov kom pom tseeb.

Lub luag haujlwm ntawm lub hauv nruab nrab cov hlab ntsha thiab cov hlab ntsha yog dab tsi?

Central retinal artery: Lub cov hlab ntsha uas nqa cov ntshav mus rau hauv lub qhov muag thiab muab khoom noj rau lub retina. Qhov sib piv rau cov hlab ntsha hauv nruab nrab yog cov hlab ntsha hauv nruab nrab, cov hlab ntsha uas nqa cov ntshav tawm ntawm lub retina.

Cov txheej txheem ntawm fovea yog dab tsi?

Lub qhov foveal tam sim no muaj nyias nyias, tsuas yog ib txheej tuab, ganglion cell txheej, nyias txheej sab hauv plexiform (IPL) tab sis tseem ceeb sab hauv nuclear txheej (INL)(Daim duab 10, a). Cov cones yog tam sim no pom tseeb raws li ncaj ntsug cones nrog synaptic pedicles, cell lub cev thiab sab hauv.

Dab tsi yog qhov ntawm lub cev ciliary?

Lub cev ciliary yog ib feem ntawm lub qhov muag uas suav nrog cov leeg ciliary, uas tswj cov duab ntawm lub lens, thiab ciliary epithelium, uas ua rau muaj kev lom zem txaus ntshai. Kev lom zem aqueous yog tsim nyob rau hauv qhov tsis-pigmented ntawm lub cev ciliary.

Bruch membrane yog dab tsi?

Bruch's membrane (BM) yog ib tus qauv pentalaminar tshwj xeeb, uas yog qhov chaw nyob nruab nrab ntawm cov xim ntawm lub qhov muag (RPE) thiab fenestrated choroidal capillaries ntawm lub qhov muag. BM yog ib qho elastin- thiab collagen-nplua nuj extracellular matrix uas ua raws li molecular sieve.

Cyclitis yog dab tsi?

Kev Khomob txhais ntawm cyclitis

: mob ntawm lub cev ciliary.

Uveitis feem ntau yog dab tsi?

Yuav ua rau uveitis yog kis kab mob, raug mob, lossis kab mob autoimmune lossis inflammatory disease. Ntau zaus qhov laj thawj tsis tuaj yeem txheeb xyuas tau. Uveitis tuaj yeem ua rau mob hnyav, ua rau tsis pom kev mus tas li. Kev kuaj mob ntxov thiab kev kho mob yog qhov tseem ceeb los tiv thaiv qhov teeb meem thiab khaws koj lub zeem muag.

YUveal melanoma yog dab tsi?

Mloog cov lus. (YOO-vee-ul MEH-luh-NOH-muh) Ib tug mob qog noj ntshav tsawg tsawg uas pib hauv cov hlwb uas ua rau cov xim tsaus nti, hu ua melanin, hauv uvea lossis uveal ib puag ncig. qhov muag. Lub uvea yog txheej nruab nrab ntawm phab ntsa ntawm lub qhov muag thiab suav nrog iris, lub cev ciliary, thiab choroid.

Episclera yog dab tsi?

Lub episclera, txheej txheej sab nraud , yog tsim los ntawm cov ntaub so ntswg xoob nrog ob lub vascular plexi (superficial thiab tob) muab tau los ntawm cov hlab ntsha ntawm sab xub ntiag.^{6 Nquag, cov hlab ntsha no-uas khiav mus rau pem hauv ntej ntawm cov leeg ntawm cov leeg recti-tsis pom vim lawv khiav tob mus rau qhov sib sib zog nqus.}

Uv npe yog dab tsi?

The uvea (/ˈjuːviə/; Lat. uva, "grape"), tseem hu ua uveal txheej, uveal tsho, uveal tract, vascular tunic lossis vascular txheejyog pigmented nruab nrab ntawm peb concentric txheej uas ua rau lub qhov muag.

cornea yog dab tsi?

Lub pob txha yog qhov pob tshab ntawm qhov muaguas npog rau pem hauv ntej ntawm lub qhov muag. Nws npog cov menyuam kawm ntawv (qhov qhib ntawm qhov nruab nrab ntawm lub qhov muag), iris (qhov xim ntawm lub qhov muag), thiab anterior chamber (cov kua dej puv rau hauv lub qhov muag).

Qhov twg yog lub luag haujlwm ntawm lub cev vitreous quizlet?

Cov ntsiab lus hauv cov teeb no (29)

• tuav lub ntiaj teb.
• txhawb retina tiv thaiv choroid.
• pauv cov ntaub ntawv hauv anterior chamber mus rau cov qauv tom qab los ntawm kev nthuav dav.

Dab tsi yog qhov ua haujlwm ntawm aqueous thiab vitreous lom zem?

Sab hauv chav tsev - qhov chaw muaj kua dej puv nruab nrab ntawm lub pob kws thiab iris. Aqueous lom zem - cov dej ntshiab, dej ntawm lub cornea thiab pem hauv ntej ntawm lub vitreous. aqueous funny da dej thiab tu lub lens thiab tswj lub siab nyob rau hauv lub qhov muag.

Vim lub cev txhais li cas?

(Nkag 1 ntawm 2) 1a: zoo li iav (xws li xim, muaj pes tsawg leeg, brittleness, los yog luster): glassy vitreous pob zeb. b: tus cwj pwm los ntawm cov porosity tsawg thiab feem ntau translucence vim muaj cov iav iav theem vitreous Tuam Tshoj. 2: ntawm, hais txog, muab los ntawm, los yog muaj iav.