Cov txheej txheem:
Video: Dab tsi yog txoj haujlwm ntawm cov pob txha hlwb?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov pob txha hlwb ua hauj lwm hauv kev sib haum xeeb kom tswj tau qhov sib npaug ntawm pob txha tsim thiab resorption, thaum kawg los tswj pob txha qauv thiab muaj nuj nqi . Osteoblasts yog hlwb , uas pab txhawb rau kev tso cov khoom ntawm cov organic pob txha extracellular matrix.
Kuj paub yog, dab tsi yog lub ntsiab lus ntawm cov pob txha ntawm tes?
Biology npe. a ntawm tes pom hauv pob txha nyob rau hauv ib qho ntawm nws cov xeev ua haujlwm; osteoblast, osteoclast, lossis osteocyte.
Ib yam nkaus, cov pob txha ntawm cov pob txha zoo li cas? *… yog kuboidal thiab kab ntawv nyob rau hauv cov duab nrog lub hauv paus nruab nrab pom ntawm pob txha nto. *Kev sib tshuam sib nrug nrog cov pob txha nyob sib ze tso cai rau cov cell sib txuas lus sib tham. *Lawv tuaj ntawm cov pob txha ua ntej cov hlwb.
Tsis tas li ntawd, 3 hom hlwb pob txha yog dab tsi thiab lawv ua dab tsi?
Osteocytes, Osteoclasts thiab Osteoblasts yog 3 hom lus pob txha rau pob txha
- OSTEOCLASTS yog cov hlwb loj uas yaj cov pob txha. Lawv tuaj ntawm cov leeg pob txha thiab cuam tshuam nrog cov qe ntshav dawb.
- OSTEOBLASTS yog cov cell uas tsim cov pob txha tshiab.
- OSTEOCYTES yog cov cell hauv pob txha.
Dab tsi yog hom sib txawv ntawm cov pob txha hlwb thiab lawv lub luag haujlwm li cas?
Pob txha muaj plaub hom ntawm hlwb : osteoblasts, osteoclasts, osteocytes, thiab osteoprogenitor (lossis osteogenic) hlwb . Txhua tus hom xov tooj muaj qhov tshwj xeeb muaj nuj nqi thiab muaj nyob hauv txawv cov chaw nyob hauv pob txha.
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 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
Dab tsi ntawm cov pob txha ntawm tes yog lub luag haujlwm rau pob txha?
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
Lub npe ntawm cov pob txha pob txha pom nyob rau hauv cov ntaub so ntswg osseous yog dab tsi?
Osteocytes, cov hlwb nyob ntawm cov pob txha cov ntaub so ntswg, tsim cov ntxhia matrix ntawm cov pob txha. Muaj ob hom nqaij pob txha: compact thiab spongy