![Cov xim dab tsi yog pob txha pob txha? Cov xim dab tsi yog pob txha pob txha?](https://i.answers-medical.com/preview/medical-health/14068409-what-color-is-compact-bone-j.webp)
Video: Cov xim dab tsi yog pob txha pob txha?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lub hollow medullary kab noj hniav uas muaj cov kab mob daj sau qhov ntev ntawm diaphysis ntawm ib qho ntev pob txha . Cov phab ntsa ntawm diaphysis yog pob txha compact . Epiphyses, uas yog ntu dav dua ntawm txhua qhov kawg ntawm qhov ntev pob txha , muaj spongy pob txha thiab liab cev.
Hais txog qhov no, cov pob txha compact zoo li cas?
Compact pob txha yog muaj cov cylindrical units, hu ua osteons, uas yog yog tsim los ntawm cov khaubncaws sab nraud povtseg ntawm concentric voj voog, hu ua lamellae, nyob ib ncig ntawm lub hauv paus kwj dej uas muaj cov hlab ntsha thiab paj hlwb. Txhua osteon muaj ntau qhov chaw me me ntawm nws cov nplhaib.
Qhov thib ob, qhov txawv ntawm cov pob txha pob txha thiab pob txha pob txha yog dab tsi? Qhov twg pob txha compact cov ntaub so ntswg tsim txheej txheej ntawm tag nrho cov pob txha , pob txha los yog pob txha pob txha tsim cov txheej sab hauv ntawm txhua tus pob txha . Cov pob txha cov ntaub so ntswg tsis muaj osteons uas tsim pob txha compact ntaub so ntswg.
Ib qho ntxiv, dab tsi yog pob txha compact?
Kev cog pob txha , kuj hu ua cortical pob txha , ntom pob txha hauv qhov twg pob txha matrix tau ua tiav nrog cov khoom hauv av thiab cov ntsev tsis haum, tawm hauv qhov chaw me me (lacunae) uas muaj cov osteocytes, lossis pob txha hlwb. Ob hom no muaj nyob hauv feem ntau pob txha.
Koj pom cov pob txha compact nyob qhov twg?
Pob txha Compact Nws tuaj yeem pom nyob rau hauv periosteum thiab hauv diaphyses ntev pob txha , qhov twg nws muab kev txhawb nqa thiab kev tiv thaiv. Microscopic structural unit ntawm pob txha compact hu ua osteon, lossis Haversian system.
Pom zoo:
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