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Video: Cov hlab ntsha puas ua rau ko taw poob?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Feem ntau, kev poob ko taw yog tshwm sim los ntawm kev raug mob rau cov leeg leeg leeg. Cov paj hlwb peroneal yog ib ceg ntawm cov hlab ntsha sciatic uas qhwv los ntawm sab nraub qaum hauv caug mus rau pem hauv ntej ntawm lub ci ntsa iab. Vim tias nws zaum ze rau saum npoo, nws tuaj yeem ua puas yooj yim.
Ib yam li ntawd, nws tau nug, puas tuaj yeem ua rau lub paj pinched ua rau ko taw poob?
Feem ntau ua ntawm ko taw poob yog compression a paj hlwb hauv koj txhais ceg uas tswj cov nqaij leeg koom nrog hauv nqa ko taw (ib leeg paj hlwb ). A paj hlwb kev raug mob hauv paus - " pinched paj " - hauv tus txha nqaj qaum ua tau thiab ua rau ko taw poob.
Ib yam li ntawd, dab tsi ua rau qhov pib ntawm ko taw poob? Compression ntawm cov hlab ntsha peroneal nyob ib ncig ntawm lub taub hau fibular yog feem ntau ua ntawm ko taw poob . Lwm yam ua muaj xws li kev puas tsuaj rau cov hlab ntsha peripheral, ceg compartment syndromes, peripheral polyneuropathies, thiab kab mob xws li kab mob sib txuas, vasculitis, thiab ntshav qab zib mellitus.
Tsis tas li kom paub, cov leeg thiab lub paj hlwb cuam tshuam dab tsi hauv ko taw?
Lus Txhais: Thaum muaj kev tuag tes tuag taw ntawm dorsal extensor leeg ntawm ko taw thiab cov ntiv taw ( tibialis anterior , extensor digitorum longus , thiab extensor hallucis longus), uas yog sab hauv los ntawm cov leeg peroneal sib sib zog nqus, ko taw poob.
Puas tuaj yeem kho ko taw poob?
Yog tias qhov ua tau raug kho tau zoo, ko taw poob tej zaum yuav txhim kho los yog ploj mus. Yog vim li cas ua tau tsis raug kho, ko taw poob tau nyob ruaj khov. Kho rau ko taw poob tej zaum yuav muaj xws li: braces los yog splints.
Pom zoo:
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Brachiocephalic leeg
Cov hlab ntsha lossis cov hlab ntsha puas khov dua?
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Cov hlab ntsha muaj cov leeg ntau dua thiab muaj me dua, puag ncig lub lumens (qhov chaw sab hauv) dua li cov leeg. Nws yog tsim los ntawm cov leeg nqaij du thiab elastic fibers hu ua elastin. Cov txheej ntawm elastin cais cov tunica media los ntawm lwm cov txheej. Tunica media yog txheej tuab tshaj plaws hauv cov hlab ntsha
Cov hlab ntsha hlab ntsha thiab cov hlab ntshav muaj dab tsi?
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Cov hlab ntsha nqa ntshav tawm ntawm lub plawv; Lub ntsiab hlab ntsha yog aorta. Capillaries nqa ntshav tawm ntawm lub cev thiab pauv cov as-ham, pov tseg, thiab oxygen nrog cov ntaub so ntswg ntawm qib cellular. Cov leeg ntshav yog cov hlab ntshav uas coj cov ntshav rov qab los rau hauv lub plawv thiab tso ntshav tawm ntawm cov kabmob thiab cov ceg
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Muaj plaub hom neuroglia pom nyob hauv nruab nrab lub paj hlwb: Astrocytes - tswj cov ntshav lub hlwb teeb meem thiab khaws cov tshuaj ib puag ncig los ntawm kev siv cov ions rov qab thiab cov tshuaj xa xov mus rau lub cev. Oligodendrocytes - myelinate axons nyob rau hauv lub hauv nruab nrab lub paj hlwb thiab muab tag nrho cov txheej txheem txheej txheem
Puas yog cov hlab ntsha uas muaj oxygenated ntshav lossis cov hlab ntsha?
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Cov hlab ntsha tau pom tias yog nqa cov ntshav oxygenated mus rau cov ntaub so ntswg, thaum cov leeg nqa cov ntshav deoxygenated rov qab mus rau lub plawv. Txawm li cas los xij, hauv txoj hlab ntsws, cov hlab ntsha nqa cov ntshav deoxygenated los ntawm lub plawv mus rau lub ntsws, thiab cov hlab ntshav rov qab ntshav los ntawm lub ntsws mus rau lub plawv