Haversian kwj dej (qee zaus kwj dej ntawm Havers) yog cov hlab ntsha me me nyob rau thaj tsam sab nraud ntawm cov pob txha hu ua pob txha cortical. Lawv tso cai rau cov hlab ntsha thiab cov hlab ntsha mus los ntawm lawv los muab cov osteocytes.
Qhov twg ntawm cov pob txha yog cov kwj dej hav zoov pom?
Haversian kwj dej yog tsim los ntawm lamellae, los yog concentric txheej ntawm cov pob txha, thiab muaj hauv osteons. Osteons yog cov qauv cyndrylical uas thauj cov ntshav oxygenated mus rau cov pob txha, thiab lawv tau teem rau tib lub sijhawm rau ntawm cov pob txha, raws cov axis ntev.
Haversian canals nyob qhov twg?
Haversian kwj dej tau tsim thaum ib tus neeg lamellae tsim cov rings nyob ib ncig ntawm cov kwj dej loj dua (kwv yees li 50 µm inch) hauv cov pob txha. Haversian kwj dej feem ntau khiav mus rau qhov chaw thiab raws qhov ntev ntawm cov pob txha.
Hoversian nyob qhov twg?
Ib tus kwj dej hervasian, osteocyte thiab lamellae tsim muaj Haversian system. Cov kab ke no muaj nyob hauv cov pob txha matrix ntawm cov pob txha ntev zoo li femur, humerus thiab lwm yam. Cov kwj dej haversian muaj cov hlab ntsha, cov hlab ntsha, cov ntaub so ntswg isolar, cov hlab ntsha thiab lymph. Nws tseem hu ua osteon.
Lo lus twg zoo tshaj piav txog Haversian system?
Nyob rau nqe 3, lo lus twg los yog lo lus zoo tshaj plaws piav txog Haversian systems?
