Qhov txawv ntawm Trabecular thiab Cortical pob txha

Cov txheej txheem:

Qhov txawv ntawm Trabecular thiab Cortical pob txha
Qhov txawv ntawm Trabecular thiab Cortical pob txha

Video: Qhov txawv ntawm Trabecular thiab Cortical pob txha

Video: Qhov txawv ntawm Trabecular thiab Cortical pob txha
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Qhov sib txawv tseem ceeb ntawm cov pob txha trabecular thiab cortical yog cov pob txha trabecular yog cov txheej txheej hauv cheeb tsam ntawm lub cev uas tsim cov qe ntshav liab thaum cov pob txha cortical yog cov txheej txheej sab nraud ntawm cov pob txha uas khaws cov roj.

pob txha yog ib qho kev tivthaiv uas muab kev txhawb nqa rau kev txav mus los, ua lub hauv paus rau cov amino acids, phosphate, calcium, thiab bicarbonate, tsa cov kab mob hematopoietic, tiv thaiv kab mob hauv nruab nrog cev, thiab lwm yam. Li no, cov pob txha plays a metabolic lub luag haujlwm hauv lub cev. Nws suav nrog kev tso tawm cov tshuaj hormones uas tswj cov metabolism hauv lub zog. Ntxiv mus, trabecular thiab cortical compartments ntawm pob txha ua lub luag haujlwm tseem ceeb hauv kev ua tiav cov haujlwm no.

Tab pob txha yog dab tsi?

Trabecular pob txha yog cov pob txha osseous muaj nyob hauv nruab nrab ntawm cov pob txha. Lawv tsis nruj thiab tsawg dua li cov pob txha cortical. Cov pob txha pob txha thiab cov pob txha txha caj qaum yog cov lus txhais ntawm cov pob txha trabecular. Cov pob txha trabecular yog cov pob zeb hauv pob zeb uas tsim muaj peb-dimensional network hauv matrix ntawm sab hauv ntawm cov pob txha ntev. Yog li ntawd, nws yooj yim rau qhov chaw rau cov hlab ntsha thiab cov pob txha liab. Ntxiv mus, cov pob txha pob txha hauv cov pob txha trabecular tsim cov qe ntshav liab.

Qhov txawv ntawm Trabecular thiab Cortical pob txha
Qhov txawv ntawm Trabecular thiab Cortical pob txha

Daim duab 01: Pob txha pob txha

Cov epiphyses yog qhov kawg ntawm cov pob txha ntev uas tsim los ntawm cov pob txha trabecular. Yog li ntawd, lawv muaj nyob rau hauv cov tav, cov pob txha taub hau tiaj tus thiab lub xub pwg pob txha. Hauv cov pob txha trabecular, muaj cov haujlwm metabolic siab. Tsis tas li ntawd, cov pob txha trabecular yog cuboidal hauv cov duab. Osteoblasts hloov cov pob txha trabecular mus rau cov pob txha cortical.

Cortical pob txha yog dab tsi?

Cov pob txha cortical tseem hu ua pob txha pob txha, yog thaj tsam sab nraud tshaj plaws ntawm cov pob txha. Yog li ntawd, cov pob txha cortical yog cov pob txha uas muaj zog tshaj plaws hauv lub cev. Lawv yog tsim los ntawm osteons. Nws kuj tseem hu ua pob txha pob txha. Cortical pob txha yog nruj. Txawm li cas los xij, rau kev saib xyuas thiab kho cov pob txha, nws muaj cov kab me me rau cov hlab ntsha thiab cov hlab ntsha. Ntxiv mus, lub periosteum thiab endosteum npog cov pob txha cortical los ntawm sab nraud thiab sab hauv feem. Lub endosteum yog lub vascular connective cov ntaub so ntswg. Yog li ntawd, nws kab cov kab mob ntawm cov pob txha ntev.

Qhov tseem ceeb sib txawv ntawm Trabecular thiab Cortical pob txha
Qhov tseem ceeb sib txawv ntawm Trabecular thiab Cortical pob txha

Daim duab 02: Cortical pob txha

Osteocytes muaj nyob hauv cov ntaub so ntswg ntawm cov pob txha cortical. Nws nyob ib puag ncig los ntawm ib qho extracellular matrix uas muaj calcium thiab phosphorous-nplua nuj hydroxyapatite. Collagen fibers tam sim no nyob rau hauv lub extracellular matrix muab kev yooj yim rau cov pob txha cortical. Lawv yog cylindrical nyob rau hauv cov duab. Lawv muab cov qauv kev txhawb nqa rau lub cev thiab tiv thaiv lub cev sab hauv los ntawm lub cev kev ntxhov siab.

Dab tsi zoo sib xws ntawm Trabecular thiab Cortical pob txha?

  • Cov pob txha pob txha thiab pob txha cortical yog ob hom pob txha muaj nyob hauv cov tsiaj.
  • Ob qho khoom muaj calcium.
  • Kuj, ob leeg koom nrog muab kev txav mus rau lub cev.

Qhov txawv ntawm Trabecular thiab Cortical pob txha yog dab tsi?

Ob leeg pob txha trabecular thiab cortical yog ob feem ntawm cov pob txha ntev. Cov pob txha trabecular nyob rau sab hauv ntawm cov pob txha ntev thaum cov pob txha cortical ua rau txheej txheej ntawm cov pob txha ntev. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm trabecular thiab cortical pob txha. Tsis tas li ntawd, lwm qhov sib txawv ntawm cov pob txha trabecular thiab cov pob txha cortical yog cov pob txha trabecular muaj cov ntxhia pob zeb thaum cov pob txha cortical muaj osteons. Ntxiv mus, cov duab ntawm cov pob txha no ua rau muaj qhov sib txawv ntawm cov pob txha trabecular thiab cortical. Ntawd yog, cov pob txha trabecular yog cuboidal nyob rau hauv cov duab thaum cov pob txha cortical yog cylindrical nyob rau hauv cov duab.

Hauv qab infographic nthuav qhia ntau ntxiv txog qhov sib txawv ntawm trabecular thiab cortical pob txha.

Qhov sib txawv ntawm Trabecular thiab Cortical Pob txha hauv Tabular Daim Ntawv
Qhov sib txawv ntawm Trabecular thiab Cortical Pob txha hauv Tabular Daim Ntawv

Summary – Trabecular vs Cortical Bone

pob txha yog cov qauv tsim uas muab kev txhawb nqa rau kev txav mus los, ua lub hauv paus rau cov amino acids, phosphate, calcium, thiab bicarbonate, tsa cov kab mob hematopoietic, tiv thaiv kab mob hauv nruab nrog cev, thiab lwm yam. Qhov sib txawv tseem ceeb ntawm cov pob txha trabecular thiab cov pob txha cortical yog cov pob txha trabecular yog qhov ntxeem tau ntawm cov pob txha hauv cheeb tsam ntawm cov pob txha thaum cov pob txha cortical yog cov pob txha sab nraud ntawm cov pob txha. Tsis tas li ntawd, cov pob txha cortical yog cylindrical nyob rau hauv cov duab. Yog li ntawd, lawv muab kev txhawb nqa rau lub cev thiab tiv thaiv cov kab mob hauv nruab nrog cev los ntawm kev ntxhov siab ntawm lub cev. Ntawm qhov tod tes, cov pob txha trabecular muaj cov haujlwm metabolic siab. Yog li ntawd, lawv yog cuboidal nyob rau hauv cov duab. Yog li, qhov no qhia txog qhov sib txawv ntawm trabecular thiab cortical pob txha.

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