Qhov sib txawv tseem ceeb ntawm cov pob txha deposition thiab resorption yog cov pob txha deposition yog cov txheej txheem ntawm depositing tshiab pob txha matrix los ntawm osteoblasts thaum cov pob txha resorption yog cov txheej txheem uas osteoclasts zom cov ntaub so ntswg hauv cov pob txha thiab tso cov minerals rau cov ntshav.
pob txha yog ib qho calcified ntawm tawv, dawb, nyob thiab loj hlob cov ntaub so ntswg uas ua rau cov pob txha nyob rau hauv tib neeg thiab lwm yam vertebrates. Nws muaj ntau hom cell xws li osteoblasts, osteocytes, osteoclasts, thiab cov pob txha hauv ob sab phlu. Cov pob txha hloov dhau lawv lub neej nyob rau hauv thiaj li yuav tiv thaiv cov txheej txheem kev ncaj ncees ntawm lub cev pob txha thiab sib npaug ntawm calcium thiab phosphorus hauv lub cev. Yog li, qhov txheej txheem no hu ua pob txha kho. Pob txha resorption thiab pob txha deposition yog ob qhov xwm txheej loj ntawm kev kho pob txha. Resorption tshwm sim hauv cov pob txha qub lossis puas thaum tsim cov khoom siv pob txha tshiab. Ob hom pob txha hlwb yog lub luag haujlwm rau cov pob txha resorption thiab deposition theem ntawm pob txha kho. Lawv yog osteoclasts thiab osteoblasts.
pob txha Deposition yog dab tsi?
pob txha deposition yog ib qho ntawm ob qhov xwm txheej tseem ceeb ntawm kev kho pob txha. Nws yog cov txheej txheem ntawm kev tso cov pob txha tshiab. Osteoblasts yog cov pob txha tsim cov hlwb uas ua rau cov pob txha tso tawm. Lawv zais cov organic matrix uas muaj cov protein ntau hauv collagen.
Daim duab 01: Pob txha Deposition
Thaum hydroxyapatite tso rau ntawm cov organic matrix zais cia, nws dhau los ua pob txha tawv. Hauv lwm lo lus, pob txha deposition tuaj yeem txhais tau tias yog qhov tso tawm ntawm hydroxyapatite ntawm cov pob txha.
pob txha resorption yog dab tsi?
pob txha resorption yog qhov thib ob loj tshwm sim ntawm kev kho pob txha. Nws yog cov txheej txheem uas rhuav tshem cov pob txha qub thiab cov pob txha puas. Yog li ntawd, qhov no tiv thaiv cov pob txha puas hauv cov pob txha tshiab.
Daim duab 02: Pob txha Resorption
Thaum cov pob txha resorption, cov pob txha matrix dissolves. Hauv cov lus yooj yooj yim, hydroxyapatites ntawm cov pob txha yaj thaum tso cov zaub mov rau hauv cov ntshav thaum cov pob txha resorption. Osteoclasts yog cov hlwb uas muaj lub luag haujlwm rau cov pob txha resorption.
Dab tsi zoo sib xws ntawm Pob Txha Deposition thiab Resorption?
- pob txha deposition thiab pob txha resorption yog ob tug txheej txheem loj ntawm pob txha remodeling.
- Txawm li cas los xij, pob txha deposition cuam tshuam nrog kev tso tawm ntawm hydroxyapatites thaum cov pob txha resorption cuam tshuam nrog kev sib cais ntawm hydroxyapatites.
- Qhov tseem ceeb, tus nqi ntawm cov pob txha deposition thiab tus nqi ntawm cov pob txha resorption yog sib npaug ntawm tus neeg noj qab haus huv.
- Ob txheej txheem tseem ceeb txhawm rau txhawm rau tswj ion homeostasis hauv peb lub cev.
Dab tsi yog qhov txawv ntawm Pob Txha Deposition thiab Resorption?
pob txha deposition yog txheej txheem ntawm kev tsim cov pob txha tshiab cov ntaub ntawv thaum cov pob txha resorption yog cov txheej txheem ntawm cov qub los yog puas cov pob txha. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm cov pob txha deposition thiab resorption. Ntxiv mus, qhov sib txawv ntxiv ntawm cov pob txha deposition thiab resorption yog cov osteoblasts yog lub luag hauj lwm rau cov pob txha deposition thaum osteoclasts yog lub luag hauj lwm rau pob txha resorption.
Tsis tas li ntawd, osteoblasts muaj keeb kwm mesenchymal thaum osteoclasts muaj kab mob hematopoietic. Thaum lub sij hawm cov pob txha deposition, osteoblasts tso tshiab collagen thiab minerals. Txawm li cas los xij, thaum lub sij hawm pob txha resorption, lysosomal enzymes thiab hydrogen ions ntawm osteoclasts zom cov pob txha matrix. Yog li ntawd, qhov no kuj yog qhov sib txawv tseem ceeb ntawm cov pob txha deposition thiab resorption.
Summary – Pob txha Deposition vs Resorption
Hauv luv luv, kev kho pob txha yog ib qho tseem ceeb ntawm cov txheej txheem txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhim kho cov pob txha puas thiab tswj cov ntxhia hauv homeostasis. Nws tshwm sim los ntawm ob txheej txheem loj xws li pob txha deposition thiab resorption. Pob txha deposition yog hais txog cov txheej txheem ntawm deposition ntawm cov pob txha tshiab cov ntaub ntawv thaum cov pob txha resorption hais txog kev puas tsuaj ntawm cov pob txha qub los yog puas lawm. Osteoblasts yog cov hlwb uas muaj lub luag haujlwm rau cov pob txha deposition thaum osteoclasts yog cov hlwb uas muaj lub luag haujlwm rau pob txha resorption. Yog li, qhov no yog cov ntsiab lus ntawm qhov sib txawv ntawm cov pob txha deposition thiab resorption.
