Cov txheej txheem:

Ob lub hom phiaj ntawm kua muag yog dab tsi?
Ob lub hom phiaj ntawm kua muag yog dab tsi?

Video: Ob lub hom phiaj ntawm kua muag yog dab tsi?

Video: Ob lub hom phiaj ntawm kua muag yog dab tsi?
Video: koj lub hom phiaj yog dab tsis tiag-ntuj tshiab xyooj nkauj tawm tshiab 2021-2022 2024, Lub Xya hli ntuj
Anonim

Dab tsi yog ob lub hom phiaj ntawm kua muag ? Ua li cas kua muag ntxuav qhov muag? Ntxuav tawm los yog ua kom cov khoom ntxeem tau. Cov leeg nqaij qhov muag sab nrauv puas yog lub luag haujlwm rau qhov muag nce thiab nqis qhov muag?

Ua raws li qhov no, ob lub hom phiaj ntawm lub kua muag quizlet yog dab tsi?

Sab nrauv, oily txheej pab tiv thaiv evaporation ntawm noo noo los ntawm nruab nrab aqueous txheej; txheej nruab nrab muab cov dej noo, cov pa oxygen thiab cov as -ham rau lub qhov muag; puab mucinous txheej txhawb txawm kis ntawm tsim kua muag zaj duab xis.

Tom qab ntawd, lo lus nug yog, Ua kua muag ntxuav lub qhov muag li cas? Tej zaum koj tsuas xav txog kua muag raws li cov dej qab ntsev uas poob los ntawm koj qhov muag thaum koj quaj . Qhov tseeb, koj kua muag huv koj qhov muag txhua zaus koj ntsais. Tear qog ua kua muag , thiab tsim kua muag ducts nqa kua muag los ntawm cov qog mus rau saum npoo ntawm koj qhov muag.

Hauv qhov no, txoj haujlwm ntawm kua muag yog dab tsi?

Cov kua muag tiv thaiv dryness los ntawm txheej txheej ntawm lub qhov muag, nrog rau kev tiv thaiv los ntawm sab nraud irritants. Tsis muaj cov hlab ntsha nyob saum npoo ntawm lub qhov muag, yog li oxygen thiab cov as -ham raug thauj mus rau cov hlwb los ntawm cov kua muag. Lub cev txawv teb chaws uas nkag rau hauv lub qhov muag raug ntxuav los ntawm kua muag.

3 txheej ntawm qhov muag yog dab tsi?

Peb txheej

  • Cov fibrous tunic, tseem hu ua tunica fibrosa oculi, yog txheej txheej sab nrauv ntawm lub qhov muag suav nrog lub qhov muag thiab qhov muag.
  • Cov hlab ntshav, tseem hu ua tunica vasculosa oculi lossis "uvea", yog txheej nruab nrab vascularized uas suav nrog lub ntsej muag, lub cev ciliary, thiab choroid.

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