Video: Cov pob txha laus hu ua dab tsi?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Ib qho osteon kuj yog hu ua ib tug Haversian system. Cov cov pob txha loj yog hu ua ib osteocyte. Nws zaum hauv qhov chaw, hu ua ib lacn. Ib qho osteoblast yog qhov tsis paub qab hau cev pob txha . Lub osteoblast yog tus pob txha sib sau ntawm tes.
Hais txog qhov no, dab tsi yog cov pob txha paub tab?
Osteocyte. Hauv pob txha loj , osteocytes thiab lawv cov txheej txheem nyob hauv qhov chaw hu ua lacunae (Latin rau lub qhov) thiab cov nqaj qaum, feem. Osteocytes tsuas yog osteoblasts daig hauv matrix uas lawv zais cia.
Ib yam nkaus, puas yog osteoclasts paub cov pob txha hlwb? Thaum thaj tsam ib puag ncig osteoblast calcifies, osteoblast raug daig thiab hloov pauv mus rau hauv osteocyte, feem ntau yog thiab laus hom ntawm cev pob txha . Osteoclasts , cov hlwb uas tawg thiab reabsorb pob txha , qia los ntawm monocytes thiab macrophages es tsis yog osteogenic hlwb ..
Raws li, cov pob txha hlwb hu ua dab tsi?
Teb thiab Piav Qhia: Muaj ob hom tseem ceeb ntawm pob txha hlwb : osteocytes thiab osteoblasts. Osteocytes yog nyob rau hauv lub cev pob txha , thaum osteoblasts nyob nrog
Cov hlwb ua puas pob txha?
Kev kho pob txha yog nyob ntawm qhov ua haujlwm raug ntawm ob lub ntsiab lus tseem ceeb ntawm cov pob txha: cov osteoclasts , multinucleated cells uas rhuav tshem cov pob txha matrix, thiab cov osteoblasts, muaj kev ua haujlwm osteogenic.
Pom zoo:
Dab tsi yog CPT txoj cai los tshaj tawm cov pob txha pob txha xav tau ua rau pob txha pob txha thaum phais pob txha?
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
Dab tsi yog cov npe ntawm cov pob txha hauv cov kab ke pob txha?
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?
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
Hom pob txha mos twg yog pob txha mos pob txha?
Hyaline pob txha mos
Cov pob txha pob txha thiab pob txha ua haujlwm li cas thiaj txav tau lub cev?
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