![Cov pob txha ntawm tes ua dab tsi? Cov pob txha ntawm tes ua dab tsi?](https://i.answers-medical.com/preview/medical-health/14133239-what-does-a-bone-cell-do-j.webp)
Video: Cov pob txha ntawm tes ua dab tsi?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Taw qhia. Muaj ob pawg ntawm pob txha hlwb . Lawv resorb (dissolve) lub pob txha . Lwm qeb yog osteoblast tsev neeg, uas muaj osteoblasts uas tsim pob txha , osteocytes uas pab tswj pob txha , thiab kab hlwb uas npog qhov chaw ntawm pob txha.
Hauv qhov no, txoj haujlwm ntawm pob txha ntawm tes yog dab tsi?
Lawv kab ntawm qhov chaw pob txha . Cov qub osteoblasts no kuj hu ua LINING CELLS . Lawv tswj hwm cov tshuaj calcium nkag mus thiab tawm ntawm pob txha , thiab lawv teb rau cov tshuaj hormones los ntawm kev ua cov protein tshwj xeeb uas ua kom cov osteoclasts. OSTEOCYTES yog hlwb hauv cov pob txha.
Ib yam li ntawd, cov pob txha pob txha zoo li cas? Osteoblasts. Osteoblasts yog tshwj xeeb fibroblast- zoo li cov cell ntawm keeb kwm keeb kwm mesenchymal hu ua osteoprogenitor ntawm tes uas yog los ntawm pluripotent mesenchymal qia hlwb ntawm pob txha pob txha. Nyob rau hauv daim ntawv active, osteoblasts yog cuboidal nyob rau hauv cov duab thiab pom ntawm a pob txha qhov chaw uas muaj kev ua haujlwm pob txha tsim.
Yog li ntawd, dab tsi yog lub ntsiab lus ntawm pob txha cell?
npe Biology. a ntawm tes pom hauv pob txha nyob rau hauv ib qho ntawm nws cov functional xeev; osteoblast, osteoclast, lossis osteocyte.
Dab tsi yog 3 hom pob txha hlwb thiab lawv txoj haujlwm?
Muaj peb hom hlwb uas ua rau cov pob txha homeostasis. Osteoblasts yog pob txha-tsim cell, osteoclasts resorb lossis zom cov pob txha, thiab osteocytes yog cov pob txha uas paub tab.
Pom zoo:
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Pib 01/01/18, CPT code 20939 yuav tsum tau siv los tshaj tawm cov pob txha pob txha xav tau rau pob txha pob txha hauv kev phais pob txha
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Tib neeg lub cev pob txha yog tsim los ntawm 206 pob txha, suav nrog pob txha ntawm: Pob txha taub hau - suav nrog pob txha puab tsaig. Tus txha nqaj qaum - ncauj tsev menyuam, thoracic thiab lumbar vertebrae, sacrum thiab tailbone (coccyx) Hauv siab - tav thiab pob txha lub mis (sternum) Caj npab - lub xub pwg hniav (scapula), pob txha caj dab (clavicle), humerus, vojvoog thiab ulna
Cov pob qij txha twg cuam tshuam hauv pob txha pob txha?
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Osteoarthritis feem ntau cuam tshuam nrog kev sib koom tes hnyav, suav nrog hauv caug, duav, ncauj tsev menyuam thiab lumbosacral qaum, thiab taw. Lwm qhov cuam tshuam cuam tshuam nrog cuam tshuam nrog cuam tshuam cuam tshuam nruab nrab (DIP), sib thooj interphalangeal (PIP), thiab carpometacarpal (CMC) sib koom tes
Cov pob txha pob txha thiab pob txha ua haujlwm li cas thiaj txav tau lub cev?
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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