Cov txheej txheem:

Dab tsi yog 3 hom hlwb pob txha thiab lawv lub luag haujlwm yog dab tsi?
Dab tsi yog 3 hom hlwb pob txha thiab lawv lub luag haujlwm yog dab tsi?

Video: Dab tsi yog 3 hom hlwb pob txha thiab lawv lub luag haujlwm yog dab tsi?

Video: Dab tsi yog 3 hom hlwb pob txha thiab lawv lub luag haujlwm yog dab tsi?
Video: Huab Vwj & Celesna Lor- Qhov Tawv Tawv-Nkauj Tawm Tshiab 2024, Cuaj hlis
Anonim

Cov pob txha tau tsim los ntawm peb hom cell hom: Osteoblasts, Osteocytes thiab Osteoclasts

  • Osteoblasts : Osteoblasts yog cov pob txha tsim cov hlwb uas nqis los ntawm cov tshuaj osteoprogenitor.
  • Osteocytes :
  • Osteoclasts:

Ib yam li ntawd, nws tau nug, dab tsi yog hom sib txawv ntawm cov hlwb pob txha thiab lawv cov haujlwm li cas?

Pob txha muaj plaub hom ntawm hlwb osteoblasts, osteoclasts, osteocytes, thiab osteoprogenitor (los yog osteogenic) hlwb . Txhua hom xov tooj muaj qhov tshwj xeeb muaj nuj nqi thiab muaj nyob hauv txawv cov chaw hauv pob txha.

Tsis tas li, 3 hom nqaij pob txha yog dab tsi? Muaj 3 hom nqaij pob txha, suav nrog cov hauv qab no:

  • Cov ntaub so ntswg. Qhov nyuaj, cov ntaub so ntswg ntawm cov pob txha.
  • Cov ntaub so ntswg. Cov nqaij zoo li daim txhuam cev hauv cov pob txha.
  • Cov ntaub so ntswg subchondral. Cov nqaij mos ntawm qhov kawg ntawm cov pob txha, uas yog them nrog lwm hom ntaub so ntswg hu ua pob txha mos.

Hauv qhov no, cov pob txha hlwb yog dab tsi?

Pob txha yog tsim los ntawm plaub qhov sib txawv ntawm tes hom; osteoblasts, osteocytes, osteoclasts thiab pob txha hauv ob sab phlu hlwb . Osteoblasts, pob txha hauv ob sab phlu hlwb thiab osteoclasts muaj nyob ntawm no pob txha nto thiab tau muab los ntawm mesenchymal hauv zos hlwb hu ua progenitor hlwb.

Lub luag haujlwm ntawm osteoblasts yog dab tsi?

Osteoblasts ua hauj lwm ua ke hauv pab pawg hu ua osteons los ua osteoid matrix (suav nrog protein ntau thiab cov zaub mov) thiab tso nws raws lub sijhawm kom tsim cov nqaij pob txha tshiab uas nws xav tau tshaj plaws. Osteoblast tsim thiab kev ua haujlwm nce ntxiv hauv cov lus teb rau kev loj hlob thiab kev ua si lub cev kom cov pob txha muaj zog.

Pom zoo: