2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Cancellous pob txha, tseem hu ua pob txha trabecular lossis spongy pob txha, lub teeb, pob txha ntxeem tau ntim ntau qhov chaw loj uas ua rau lub ntsej muag honeycombed lossis spongy zoo li. Cov pob txha matrix, los yog lub moj khaum, yog npaj rau hauv peb-dimensional latticework ntawm cov txheej txheem pob txha, hu ua trabeculae, teem raws kab ntawm kev ntxhov siab.
Cov pob txha twg yog trabecular?
qauv. Cov pob txha trabecular, tseem hu uapob txha pob txha, yog cov pob txha ntxeem tau tsim los ntawm cov pob txha trabeculated. Nws tuaj yeem pom nyob rau ntawm qhov kawg ntawm cov pob txha ntev zoo li lub femur, qhov twg cov pob txha yeej tsis muaj zog tab sis yog tag nrho ntawm qhov txuas los ntawm cov pas nrig nyias thiab daim hlau ntawm cov pob txha.
Puas yog pob txha trabecular tib yam li pob txha woven?
thawj hom pob txha tsim kev loj hlob yog thawj lossis woven pob txha (tsis paub). … Cov pob txha thib ob tau muab faib ua ob hom: pob txha trabecular (tseem hu ua pob txha txhav lossis pob txha pob txha) thiab pob txha pob txha (tseem hu ua pob txha ntom lossis cortical).
Vim li cas pob txha trabecular hu ua spongy?
Cov pob txha tshem tawm kuj tseem hu ua pob txha pob txha vim nws zoo li daim txhuam cev lossis honeycomb, muaj ntau qhov chaw qhib txuas nrog cov dav hlau tiaj tus ntawm cov pob txha hu ua trabeculae. Nyob rau hauv lub trabeculae muaj peb hom pob txha hlwb: osteoblasts, osteocytes thiab osteoclasts.
Dab tsi yog qhov txawv ntawm trabecular thiab cortical pob txha?
Cov khoom siv ntawm cov pob txha sib txawv:pob txha trabecular muaj cov ntsiab lus calcium tsawg thiab cov dej ntau dua piv rau cov pob txha cortical. Cov pob txha trabecular muaj qhov loj ntawm cov pob txha pob txha thiab cov ntshav ntws, thiab qhov kev hloov pauv yog siab dua hauv cov pob txha cortical [1].
Pom zoo:
Puas yog cov dab dab dab dab dab dab dab dab dab dab dab dab?
Myth: Ib tug dab tshos tsis yog neeg ncaj ncees yog tiasnws haum yog. Fact: Tu siab, qhov no yog ib lo lus tsis tseeb uas tau raug perpetuated los ntawm aversive trainers. Txawm hais tias haum rau lub caj dab kom zoo khawb rau hauv cov tawv nqaij rhiab nyob ib ncig ntawm lub caj dab, uas ua rau muaj kev puas tsuaj loj rau cov thyroid, esophagus, thiab trachea.
Dab tsi ua kom pob txha pob txha ntawm cov pob qij txha?
pob txha muab cov duab, txhawb nqa, thiab qauv rau lwm cov ntaub so ntswg hauv lub cev. Nws kuj yuav pab tau cov pob qij txha. Pob txha mos kuj smoothens cov pob txha nto ntawm cov pob qij txha. Cov ntaub so ntswg dab tsi npog cov pob txha ntawm cov pob qij txha?
Puas yog pob txha pob txha pob txha zoo ib yam li meniscus?
Cov pob txha mos yog qhov tawv tab sis du npog ntawm qhov kawg ntawm cov pob txha hauv cov pob qij txha. Nws tso cai rau gliding yam tsis muaj kev tiv thaiv ntau thiab ua haujlwm nrog cov meniscus kom cushion kawg ntawm cov pob txha. Lub meniscus nyob nruab nrab ntawm lub femur thiab tibia.
Dab tsi qhov sib txawv ntawm cov pob txha pob txha thiab pob txha?
Cov pob txha pob txha yog tsim los ntawm osteons thiab tsim cov txheej txheem sab nraud ntawm txhua pob txha. Cov pob txha pob txha yog tsim los ntawm trabeculae thiab ua rau sab hauv ntawm txhua pob txha. Dab tsi yog qhov sib txawv ntawm cov pob txha pob txha thiab pob txha pob txha?
Puas yog lub pob txha pob txha pob txha pob txha?
CONCLUSIONS: vertebral endplate raug mob feem ntau pom hauv osteoporotic vertebral compression fractures. Dab tsi ua rau lub pob txha tawg? Nws yog kev xav tias, nyob rau hauv ntau qhov mob ntawm qhov mob qis qis, thawj qhov ua rau mob yog pob txha ntawm pob txha caj qaum los ntawm compression rog.
