Thaum cov leeg ciliary ntawm qhov muag cog lus?

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Thaum cov leeg ciliary ntawm qhov muag cog lus?
Thaum cov leeg ciliary ntawm qhov muag cog lus?

Video: Thaum cov leeg ciliary ntawm qhov muag cog lus?

Video: Thaum cov leeg ciliary ntawm qhov muag cog lus?
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Thaum cov leeg ciliary tau cog lus, lub lens ua ntau dua kheej kheej- thiab tau nce lub zog tsom mus - vim qhov txo qis ntawm cov zonular fibers (a). Thaum cov leeg ciliary so, cov fibers no ua tau - rub lub lens tawm mus rau hauv cov duab zoo nkauj, uas tsis tshua muaj zog (b).

Yuav ua li cas thaum cov leeg ciliary cog lus quizlet?

Thaum lub cev ciliary cog lus, txoj kab uas hla ntawm lub cev ciliary txo qis. … Thaum cov fibers cog lus, lub tsho choroid yog oulled rau pem hauv ntej thiab lub cev ciliary luv. Qhov no relaxes cov ligaments suspensory, thiab lub lens thickens nyob rau hauv reponse.

Yuav ua li cas rau focal ntev ntawm lub qhov muag lo ntsiab muag thaum ciliary nqaij cog lus?

Thaum lub qhov muag tsom mus rau qhov khoom nyob deb, cov leeg ciliary tau so, kom qhov ntev ntawm lub qhov muag lo ntsiab muag nce, thiab cov duab tsim ntawm retina. Thaum lub qhov muag tsom mus rau ib qho khoom ze, cov leeg ciliary cog lus thiab qhov ntev ntawm lub qhov muag qhov muag txo qis.

Vim li cas cov leeg ciliary cog lus?

Thaum cov leeg ciliary cog lus nyob rau hauv teb rau parasympathetic stimulation, qhov no txo qis ntawm cov ligaments suspensory, thiab cov tshuaj ntsiav ntawm lub lens yog so. Lub lens yuav luv luv thiab fatter thiab haum rau saib ze cov khoom.

Yuav ua li cas thaum koj cog koj cov leeg qhov muag?

Cov leeg nqaij sab nraud ua rau lub qhov muag txav thiab yog innervated los ntawm peb lub paj hlwb. Cov leeg yog txuas mus rau lub sclera ntawm lub qhov muag ntawm ib qho kawg thiab yog anched rau lub pob txha orbit ntawm lub qhov muag ntawm lawv qhov opposite xaus. Kev cog lus ntawm cov leeg ua kom txav ntawm lub qhov muag nyob rau hauv lub orbit

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