2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Cov nqe lus twg ua rau cov pob txha lamellar? -Nws tseem hu ua cov pob txha thib ob. -Nws dhau los ua pob txha ntawm cov pob txha tiaj tus. -Nws dhau los ua cov pob txha pob txha.
Cov nqe lus twg ua rau pom cov lamellae ntawm osteons?
Cov nqe lus twg yog tus cwj pwm lamellae ntawm osteons? -Lawv yog cov pob txha pob txha. - Lawv muaj collagen fibers. -Lawv cov lej sib txawv ntawm osteons.
Yuav ua li cas hom cell characterizes pob txha cov ntaub so ntswg?
3, cov pob txha cov ntaub so ntswg yog tsim los ntawm plaub hom pob txha sib txawv: osteoblasts, osteocytes, osteoclasts, thiab osteogenic hlwb. Osteoblasts yog cov pob txha pob txha nrog ib lub nucleus uas tsim thiab mineralize pob txha matrix.
nqe lus piav qhia txog Osteon?
Osteons yog cylindrical cov qauv uas muaj cov ntxhia matrix thiab cov osteocytes nyob txuas nrog canaliculi, uas thauj ntshav. Lawv ua raws li qhov sib npaug mus rau qhov ntev ntawm cov pob txha. Txhua osteon muaj lamellae, uas yog txheej ntawm compact matrix uas nyob ib ncig ntawm lub hauv paus kwj dej hu ua Haversian kwj dej.
Cov nqe lus twg ua rau lub luag haujlwm ntawm pob txha mos?
Cov nqe lus twg ua rau cov pob txha mos? - Nws yog tsim los ntawm cov pob txha mos hyaline. - Nws ua haujlwm los txo kev sib txhuam hauv cov pob qij txha. - Nws npog ib qho epiphysis.
Pom zoo:
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.
Vim li cas pob txha pob txha txawv ntawm cov pob txha li niaj zaus?
Thaum osteoporosis tshwm sim, lub qhov thiab qhov chaw hauv lub honeycomb loj dua li cov pob txha noj qab haus huv. Cov pob txha osteoporotic muaj poob ntom lossis loj thiab muaj cov ntaub so ntswg txawv txav. Raws li cov pob txha tsis tshua muaj zog, lawv tsis muaj zog thiab feem ntau yuav tawg.
