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Video: Lub luag haujlwm ntawm pob txha sesamoid yog dab tsi?
![Video: Lub luag haujlwm ntawm pob txha sesamoid yog dab tsi? Video: Lub luag haujlwm ntawm pob txha sesamoid yog dab tsi?](https://i.ytimg.com/vi/DrrYSSKXGJA/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Sesamoid cov pob txha yog qhov me me ntau dua lossis tsawg dua qhov sib npaug sib koom ua ke hauv qee cov leeg thiab feem ntau cuam tshuam nrog kev sib koom tes. Lawv kev ua haujlwm Tej zaum yog hloov siab, txo qis kev sib txhuam, thiab qee zaus hloov cov kev taw qhia ntawm cov leeg rub.
Los ntawm qhov ntawd, txoj haujlwm ntawm cov pob txha sesamoid hauv ko taw yog dab tsi?
Cov cov pob txha sesamoid hauv ko taw pab ntau lub hom phiaj. Lawv txhawb lub cev qhov hnyav, tso cai rau cov leeg ua kom muaj zog ntau dua ntawm lub cev, thiab tseem pab txhawb nqa pob txha ntawm qhov loj ntiv taw . Sesamoiditis tshwm sim thaum cov leeg nyob ib puag ncig sesamoid cov pob txha ua khaus thiab o.
Ib tug kuj yuav nug, ua li cas cov pob txha sesamoid txhim kho? Sesamoid pob txha tsim nyob rau hauv tendons nyob rau hauv cheeb tsam uas qhwv ib ncig ntawm pob txha prominences. Lawv muaj ntau nyob hauv tib neeg tab sis sib txawv hauv tus lej. Sesamoid kev loj hlob yog kev kho nruab nrab epigenetically los ntawm cov neeg kho tshuab hauv zej zog cuam tshuam nrog pob txha taub hau, lub cev, thiab kev ua haujlwm ntawm cov leeg.
Tsis tas li, piv txwv li pob txha sesamoid yog dab tsi?
Sesamoid cov pob txha yog pob txha embedded nyob rau hauv tendons. Cov me me, puag ncig pob txha feem ntau pom muaj nyob hauv cov leeg ntawm txhais tes, hauv caug, thiab taw. Sesamoid pob txha muaj nuj nqi los tiv thaiv cov leeg los ntawm kev ntxhov siab thiab hnav. Lub patella, feem ntau hu ua lub hauv caug, yog ib qho piv txwv ntawm a sesamoid luj.
Cov pob txha sesamoid nyob qhov twg hauv lub cev?
A sesamoid yog a pob txha embedded nyob rau hauv ib leeg. Sesamoids yog pom hauv ob peb pob qij txha nyob rau hauv lub lub cev . Nyob rau hauv ib txwm ko taw, lub sesamoids yog ob tug peas-puab pob txha nyob hauv pob ntawm ko taw, hauv qab cov ntiv taw loj.
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Cov nqaij ntshiv lub cev los ntawm kev cog lus tawm tsam cov pob txha. Thaum cov leeg mob, lawv tau luv. Los ntawm kev cog lus, cov leeg rub ntawm cov pob txha thiab cia lub cev txav mus los
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Kev kho pob txha yog ua kom ntseeg tau los ntawm ob hom cell: osteoclasts, uas resorb cov pob txha calcified matrix, thiab osteoblasts, uas yog lub luag haujlwm rau cov pob txha matrix tshiab. Thaum lub sij hawm kev loj hlob, cov pob txha tsim tshaj cov pob txha resorption, ua rau cov pob txha expansion