Video: Koj ntsuas qhov kev pab ntawm qhov muag li cas?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Tom qab ntawd txav koj tus ntiv tes mus rau qhov kawg ntawm lawv lub qhov ntswg thiab saib seb lawv cov tub ntxhais kawm li cas (cov xim dub nyob hauv nruab nrab ntawm qhov muag ) hloov cov duab, constricting los kho qhov kev ncua deb ntawm cov khoom tshiab (lawv kuj tseem yuav saib cross-eyed thaum lawv sim ua raws li tus ntiv tes). Qhov kev hloov no yog chaw nyob reflex tshwm sim.
Ces, qhov chaw nyob ntawm qhov muag yog dab tsi?
Kev nyob : Hauv tshuaj, muaj peev xwm ntawm qhov muag los hloov nws qhov kev tsom mus deb los ze rau cov khoom (thiab rov ua dua). Kev nyob yog kev hloov kho qhov muag ntawm lub qhov muag kom khaws ib yam khoom tsom mus rau qhov retina raws li nws nyob deb ntawm qhov muag nws txawv. Nws yog tus txheej txheem ntawm kev kho qhov focal ntev ntawm lub lens.
Ib yam li ntawd, koj ntsuas qhov muag li cas? Tus kws kho mob tuaj yeem kuaj xyuas pob kws nrog lub tshuab tsom hluav taws xob siab heev txhawm rau nrhiav cov cim qhia ntxaws uas pom pob kws tsis tau oxygen txaus. Tus kws kho mob tseem yuav saib rau "staining" uas qhia tias muaj kev puas tsuaj hauv cov txheej txheem saum toj kawg nkaus pob kws los yog "epithelium".
Ntxiv mus, koj tshuaj xyuas koj lub qhov muag li cas?
Koj qhov muag kws kho mob yuav siv lub microscope hu ua lub teeb lub teeb rau tshuaj xyuas pem hauv ntej ntawm koj qhov muag . Lub tsom iav tsom mus rau txoj kab nqaim nqaim ntawm lub teeb ntawm koj qhov muag . Lub teeb hlais muab lub zog loj, 3D saib ntawm qhov muag thiab tso cai rau koj tus kws kho mob kom kuaj pom qhov txawv txav me me.
Lub hwj chim ntawm kev pab ntawm ib tug tib neeg lub qhov muag yog dab tsi?
Cov Lub zog ntawm kev pab rau ib tus neeg nrog li qub qhov muag pom nyob ib ncig ntawm 4 dioptre (unit of lens hwj chim ). Koj puas paub tias qhov no Lub zog ntawm Chaw Nyob ntawm qhov muag yog txwv. Lub focal ntev tsis tuaj yeem hloov pauv tom qab qee qhov txwv.
Pom zoo:
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