Dab tsi yog txoj haujlwm ntawm canalicular system hauv pob txha?

2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2023-12-16 01:49

Solute thauj nyob rau hauv lub lacunar-canalicular system (LCS) yog qhov tseem ceeb rau pob txha metabolism thiab mechanotransduction Siv cov txheej txheem ntawm fluorescence rov qab tom qab photobleaching (FRAP) peb tau quantifying solute thauj. nyob rau hauv LCS ntawm murine ntev pob txha raws li ib tug muaj nuj nqi ntawm loading parameters thiab molecular loj.

Dab tsi yog qhov kab mob canalicular hauv pob txha?

pob txha canaliculi yog cov kwj dej microscopic nruab nrab ntawm cov lacunae ntawm cov pob txha ossified … Hauv pob txha mos, cov lacunae thiab li no, cov chondrocytes, raug cais tawm ntawm ib leeg. Cov ntaub ntawv khaws los ntawm osteocytes nyob ib sab ntawm cov hlab ntsha tau muab faib thoob plaws hauv cov pob txha matrix ntawm canaliculi.

Lub luag haujlwm ntawm lacunae yog dab tsi?

Lacunae - Function

Lub luag haujlwm tseem ceeb ntawm lacuna hauv cov pob txha lossis pob txha mos yog muab vaj tse rau cov hlwb uas nws muaj thiab ua kom cov hlwb uas nyob ze thiab ua haujlwm. Hauv cov pob txha, lacunae encase osteocytes; nyob rau hauv pob txha mos, lacunae enclose chondrocytes.

Kev ua haujlwm ntawm osteoclasts hauv cov pob txha yog dab tsi?

Osteoclasts yog cov hlwb uas degrade pob txha los pib txhim kho cov pob txha zoo thiab kho cov pob txha poob hauv cov kab mob pathologic los ntawm kev ua kom lawv cov resorptive ua haujlwmLawv tau muab los ntawm cov neeg ua ntej hauv myeloid / monocyte kab mob uas ncig hauv cov ntshav tom qab lawv tsim hauv cov pob txha.

Dab tsi yog lacunae?

Kev Kho Mob Txhais ntawm lacuna

: a kab noj hniav me me, qhov tob, lossis tsis txuas ntxiv hauv cov qauv anatomical: as. a: ib qho ntawm cov follicles nyob rau hauv lub mucous daim nyias nyias ntawm lub urethra. b: ib feeb ntawm cov kab noj hniav hauv cov pob txha lossis pob txha mos uas nyob ntawm cov osteocytes.

25 cov lus nug ntsig txog pom

lacunae quizlet yog dab tsi?

Lacunae. Cov kab noj me me hauv cov pob txha matrix uas pom osteocytes . Foramen . Round or oval open in ib pob txha. Tuberosity.

Cov ntaub so ntswg twg muaj lacunae?

pob txha. Pob txha mos yog cov ntaub so ntswg uas muaj ntau ntawm cov matrix thiab cov nqi sib txawv ntawm cov fibers. Cov hlwb, hu ua chondrocytes, ua cov matrix thiab fibers ntawm cov ntaub so ntswg. Chondrocytes pom nyob rau hauv qhov chaw hauv cov ntaub so ntswg hu ua lacunae.

Kev ua haujlwm ntawm osteoclasts hauv cov pob txha cov ntaub so ntswg yog dab tsi?

Osteoclasts tawg pob txha cov ntaub so ntswg thiab tso cov zaub mov rau hauv cov ntshav.

Osteoclasts ua quizlet yog dab tsi?

Dab tsi yog qhov haujlwm ntawm Osteoclasts? Osteoclasts yog pob txha reabsorbing hlwb. Lawv zais lysosomal enzymes thiab tej zaum yuav phagotize cov khoom demineralized thiab tuag osteocytes.

Lub luag haujlwm ntawm lacunae hauv pob txha pob txha yog dab tsi?

Cov chaw no hu ua lacunae, thiab lawv tsev cov pob txha tsim cov hlwb, hu ua osteocytes, uas koom ua ke los ntawm cov kwj dej, hu ua canaliculi. Cov canaliculi muab cov as-ham los ntawm cov hlab ntsha, tshem tawm cov khib nyiab ntawm tes, thiab muab ib txoj kev sib txuas lus ntawm osteocytes

Dab tsi yog qhov ua haujlwm ntawm lamellae hauv pob txha?

Txhua tus osteon muaj cov lamellae, uas yog cov txheej txheem ntawm cov matrix uas nyob ib puag ncig lub kwj dej hauv nruab nrab hu ua Haversian kwj dej. Haversian kwj dej (kwj dej osteonic) muaj cov pob txha cov hlab ntshathiab cov paj hlwb (Daim duab 1).

Lacunae hauv pob txha yog dab tsi?

Nyob hauv cov pob txha mos loj hlob, cov chondrocytes tuaj yeem faib tau, thiab cov menyuam ntxhais cov hlwb tseem nyob ze ua ke hauv pab pawg, tsim 'zes' ntawm 2-4 hlwb. Lub matrix enclosed compartments uas lawv zaum hauv hu ua lacunae. (lacunae= pas dej me me / me me).

Canaliculi yog dab tsi thiab lawv txoj haujlwm yog dab tsi?

Cov me me (canaliculi) tawm ntawm lacunae mus rau osteonic (haversian) kwj dej muab cov kev hla dhau los ntawm cov tawv matrix. Nyob rau hauv cov pob txha pob txha, cov txheej txheem haversian tau ntim nruj ua ke los tsim qhov zoo li cov khoom hnyav.

Dab tsi yog qhov periosteum?

Lub periosteum yog cov qauv tsim los ntawm txheej txheej txheej txheej uas qiv cov qauv kev ncaj ncees thiab txheej txheej cambium sab hauv uas muaj peev xwm osteogenic. Thaum lub sij hawm kev loj hlob thiab kev loj hlob nws pab txhawb rau cov pob txha elongation thiab qauv, thiab thaum cov pob txha raug mob, koom nyob rau hauv nws rov qab.

Lub ntsiab lus ntawm Canalculi yog dab tsi?

Kev Kho Mob Txhais ntawm canaliculus

: ib feeb kwj dej hauv lub cev qauv: as. a: ib qho ntawm cov plaub hau zoo li txoj hauv kev ua rau muaj cov kab mob hauv cov pob txha thiab txuas cov lacunae nrog ib leeg thiab nrog cov kwj dej haversian.

Lub luag haujlwm tseem ceeb ntawm osteoclast yog dab tsi?

Raws li cov kev paub tam sim no, lub luag haujlwm tseem ceeb ntawm osteoclasts yog txhawm rau txhim kho cov pob txha pob txha, dentine, thiab pob txha mos calcifiedTxawm li cas los xij, lawv txoj kev sib raug zoo nrog cov kab mob hauv lub cev nrog rau cov qia mesenchymal. cov hlwb hauv ib puag ncig cov pob txha yuav qhia tau tias cov haujlwm tshiab, yav tas los tsis paub txog.

osteoclasts thiab osteoblasts ua quizlet yog dab tsi?

txheej txheem pib nrog kev tshem tawm cov pob txha paub tab, mineralized pob txha los ntawm osteoclasts. Lawv lub peev xwm degradarive tso cai rau osteoblasts nkag mus thiab zais cov osteoid. Thaum cov osteoblasts ua rau hauv lawv tus kheej osteoid, osteocytes tshiab tau tsim.

Kev ua haujlwm ntawm osteoblasts thiab osteoblasts quizlet yog dab tsi?

Osteoblasts khi rau parathyroid hormone thiab tso tawm osteoclast stimulating factor. Thaum osteoclast stimulating factor hu rau osteoclast, lub osteoclast yog stimulated rau resorb pob txha tso cai tso calcium rau hauv cov ntshav.

Dab tsi yog lub luag haujlwm ntawm osteoclasts thiab osteoblasts?

Osteoblast thiab osteoclast yog ob lub hlwb tseem ceeb koom nrog cov kev vam meej (Matsuo thiab Irie, 2008). Osteoclasts yog lub luag haujlwm rau cov laus cov pob txha resorption thiab osteoblasts yog lub luag haujlwm rau kev tsim cov pob txha tshiab(Matsuoka li al., 2014). Lub resorption thiab tsim nyob rau hauv ruaj khov nyob rau hauv physiological mob.

Dab tsi yog qhov haujlwm ntawm osteoclasts osteoblasts thiab osteocytes?

Cov pob txha raug kho tas li los ntawm kev sib koom ua ke ntawm cov pob txha pob txha, uas suav nrog cov pob txha resorption los ntawm osteoclasts thiab pob txha tsim los ntawm osteoblasts, whereas osteocytes ua raws li mechanosensors thiab orchestrators ntawm cov pob txha remodeling txheej txheem.

Dab tsi yog lub luag haujlwm tseem ceeb ntawm Osteocyte?

Lub peev xwm ua haujlwm ntawm osteocytes suav nrog: txhawm rau teb rau cov neeg kho tshuab thiab xa cov cim ntawm pob txha tsim lossis pob txha resorption rau pob txha nto, hloov kho lawv cov microenvironment, thiab tswj ob qho tib si hauv zos thiab systemic ntxhia homeostasis.

Leej twg tuaj yeem pom hauv lacunae?

Osteocytes muaj nyob hauv lacunae. Giant multinucleated osteoclasts, uas tawg pob txha, muaj qee zaus pom hauv lacunae hu ua Howship's lacunae. Cov no tau yooj yim pom hauv thaj tsam ossification ntawm cov phaj loj hlob.

Puas muaj lacunae nyob rau hauv pob txha mos?

pob txha mos. Cov pob txha mos los yog chondrocytes muaj hauv kab noj hniav hauv matrix, hu ua pob txha mos lacunae; nyob ib ncig ntawm no, lub matrix yog teem nyob rau hauv concentric kab raws li yog hais tias nws tau raug tsim nyob rau hauv successive feem nyob ib ncig ntawm cov pob txha mos. Qhov no yog qhov hu ua capsule ntawm qhov chaw.

Puas yog lacunae pom hauv pob txha pob txha?

Spongy (Cancellous) Pob txha. Zoo li cov pob txha pob txha, pob txha pob txha, tseem hu ua pob txha pob txha, muaj cov osteocytes nyob hauv lacunae, tab sis lawv tsis tau teeb tsa hauv lub voj voog loj. Hloov chaw, cov lacunae thiab osteocytes muaj nyob rau hauv ib lub lattice-zoo li network ntawm matrix spikes hu ua trabeculae (singular=trabecula) (Daim duab 7).

Cov ntaub so ntswg twg muaj lacunae quizlet?

Cov hlwb ntawm pob txha mos(chondrocytes thiab chondroblasts) thiab pob txha (osteoblasts thiab osteocytes) muaj nyob rau hauv lacunae, los yog kab noj hniav nyob rau hauv lub extracellular matrix los yog connective ntaub so ntswg.