Imature osteogenic hlwb muaj nyob rau hauv cov txheej sib sib zog nqus ntawm periosteum thiab cov pob txhaThaum lawv sib txawv, lawv tsim mus rau hauv osteoblasts. Lub cev muaj zog ntawm cov pob txha txhais tau hais tias cov ntaub so ntswg tshiab tau tsim tas li, thaum laus, raug mob, lossis cov pob txha tsis tsim nyog tau yaj rau kev kho lossis rau kev tso tawm calcium.
Dab tsi ntawm pob txha yog qhov chaw osteogenic hlwb nyob?
Nruab nrab ntawm lub nplhaib ntawm matrix, cov pob txha hlwb (osteocytes) nyob rau hauv qhov chaw hu ua lacunae. Cov kab me me (canaliculi) tawm ntawm lacunae mus rau osteonic (haversian) kwj dej los muab txoj hauv kev los ntawm cov matrix nyuaj.
Koj pom cov kab mob osteogenic nyob qhov twg?
Osteogenic hlwb yog mitotically active qia hlwb pom nyob rau hauv lub periosteum; Qee cov menyuam ntxhais tuaj yeem hloov mus ua osteoblasts thaum lwm tus nyob hauv cov qia hlwb.
Dab tsi yog cov pob txha osteogenic?
Osteoprogenitor cells, tseem hu ua osteogenic hlwb, yog qia hlwb nyob hauv cov pob txha uas ua lub luag haujlwm tsis zoo hauv kev kho pob txha thiab kev loj hlob. Cov hlwb no yog cov precursors rau cov pob txha tshwj xeeb tshaj plaws (osteocytes thiab osteoblasts) thiab nyob hauv cov pob txha.
Puas yog Osteoprogenitor hlwb pom nyob rau hauv cov pob txha loj hlob?
Cells uas koom nrog cov pob txha loj:
Osteoprogenitor cells yog cov 'stem' cells ntawm pob txha, thiab yog lub hauv paus ntawm osteoblasts tshiab. Osteoblasts, hauv ob sab phlu ntawm cov pob txha, secrete collagen thiab cov organic matrix ntawm cov pob txha (osteoid), uas yuav calcified sai tom qab nws tau tso.
