Cov pob txha mos elastic nyob qhov twg thiab nws txoj haujlwm yog dab tsi?
Cov pob txha mos elastic nyob qhov twg thiab nws txoj haujlwm yog dab tsi?

Video: Cov pob txha mos elastic nyob qhov twg thiab nws txoj haujlwm yog dab tsi?

Video: Cov pob txha mos elastic nyob qhov twg thiab nws txoj haujlwm yog dab tsi?
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Anonim

Raws li cov ntaub so ntswg springy thiab hloov tau yooj yim heev, pob txha mos elastic yog pom hauv cov chaw tshwj xeeb, feem ntau hauv cov pinnae (los yog auricles) ntawm cov pob ntseg sab nraud, hloov pauv cov quav uas ua tau zoo channel suab nthwv dej ntawm cov pob ntseg sab hauv.

Tom qab ntawd, ib tug kuj yuav nug, dab tsi yog qhov tseem ceeb ntawm cov pob txha mos elastic?

Hauv pob txha mos elastic , chondrocytes tau pom hauv cov xov zoo li network ywj fibers nyob rau hauv lub matrix. Elastic pob txha mos muab lub zog, thiab elasticity , thiab tuav cov duab ntawm qee yam qauv xws li pob ntseg sab nraud. Nws muaj perichondrium.

Ib tus kuj tseem yuav nug tau, dab tsi yog pob txha mos Nws lub luag haujlwm yog dab tsi? Pob txha mos yog cov ntaub so ntswg sib txuas uas hloov pauv tau pom hauv ntau qhov ntawm cov lub cev. Nws tuaj yeem khoov me ntsis, tab sis tiv taus ncab. Nws lub ntsiab muaj nuj nqi yog txuas cov pob txha ua ke. Nws tseem muaj nyob hauv cov pob qij txha, cov rib tawb, cov pob ntseg, cov qhov ntswg, cov caj pas thiab nruab nrab cov cov pob txha cov rov qab.

Ntxiv mus, qhov twg yog cov pob txha mos elastic nyob hauv lub cev?

Lawv muab pob txha mos elastic zoo saj zawg zog yog li nws muaj peev xwm tiv taus dua dabtsi yog khoov. Chondrocytes dag ntawm cov fibers. Elastic pob txha mos yog pom hauv epiglottis (ib feem ntawm lub ntsws) thiab tus pinnae (lub pob ntseg sab nraud ntawm ntau tus tsiaj, suav nrog tib neeg ).

Cov cell ua li cas pob txha mos elastic?

Hauv pob txha mos elastic , chondrocytes tau koom ua ke ywj fib, qe ua ib tug threadlike network los yog matrix. Cov lej no yog tsim los ntawm glycosaminoglycans, proteoglycans thiab multiadhesive glycoproteins. Nws yog ua ke nrog ywj lamellae, thiab hom II collagen.

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