chondrocyte. Thaum ib tug chondroblast ua ib puag ncig los ntawm matrix nws yog hu ua ib tug ----- ntom irregular ntaub so ntswg, fibroblasts. txheej txheej ntawm lub perichondrium yog tsim los ntawm ------ muaj ------ tsawg fibers, chondroblasts.
Thaum tus osteoblast nyob ib puag ncig los ntawm matrix Nws hu ua lus nug dab tsi?
osteocyte. cov pob txha paub tab tsim thaum lub osteoblast ua ib puag ncig los ntawm nws tus kheej matrix thiab nkag mus rau hauv lacunae.
pob txha mos matrix yog dab tsi?
Matrix ntawm pob txha mos yog ua los ntawm glycosaminoglycans, proteoglycans, collagen fibers thiab, qee zaum, elastin. Vim nws qhov nruj, pob txha mos feem ntau ua haujlwm rau lub hom phiaj ntawm kev tuav cov hlab hauv lub cev. … Pob txha mos tsis muaj cov hlab ntsha (nws yog avascular) lossis paj hlwb (nws yog aneural).
Thaum matrix nyob ib puag ncig cov hlwb lawv nkag mus rau hauv lacunae?
Cov kwj dej Haversian txuas mus rau ib leeg los ntawm cov kwj dej ntawm Volkmann. Lub lamellae ntawm Haversian systems yog tsim los ntawm osteoblasts. Raws li cov cell secrete matrix, lawv nkag mus rau hauv qhov chaw hu ua lacunae thiab hu ua osteocytes..
Lub sij hawm rau cov khaubncaws sab nraud povtseg ntawm lub cev matrix yog dab tsi?
Lub sij hawm yog dab tsi rau cov khaubncaws sab nraud povtseg ntawm cov pob txha matrix nyob ib ncig ntawm cov hlab ntsha thiab cov hlab ntsha? lamellae . Lamellae yogCov khaubncaws sab nraud povtseg ntawm cov pob txha matrix synthesized los ntawm osteoblasts thaum lub sij hawm cov pob txha loj hlob thiab tu.
