Cov txheej txheem:
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Video: Cov hlab ntsha loj dab tsi nyob hauv caj dab?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov cov carotid cov hlab ntsha yog cov hlab ntshav loj hauv lub caj dab uas muab ntshav rau lub hlwb, caj dab, thiab ntsej muag. Muaj ob cov carotid cov hlab ntsha, ib qho ntawm sab xis thiab ib qho ntawm sab laug. Hauv caj dab, txhua tus carotid hlab ntsha faib ua ob pawg: Tus sab hauv carotid leeg muab ntshav rau lub hlwb.
Tsuas yog li ntawd, dab tsi yog cov tsos mob ntawm cov hlab ntsha hauv koj lub caj dab?
Cov tsos mob ntawm tus kab mob carotid artery
- Tsis muaj zog tam sim ntawd lossis loog ntawm lub ntsej muag, caj npab, lossis ob txhais ceg (feem ntau yog nyob ntawm ib sab ntawm lub cev)
- teeb meem hais lus (hais lus tsis zoo) lossis nkag siab.
- teeb meem tsis pom kev sai sai hauv ib lossis ob lub qhov muag.
- kiv taub hau.
- dheev, mob taub hau hnyav.
- drooping ntawm ib sab ntawm koj lub ntsej muag.
Ib yam li ntawd, cov hlab ntsha hauv koj lub caj dab tob npaum li cas? Txhua lub cev carotid cov leeg nce as caj dab , dhau li ntawm 3 mm anterior mus rau atlas (feem ntau tsuas yog nyob nruab nrab xwb mus rau cheeb tsam ntawm sab nraub qaum pem hauv ntej ntawm C1 lus ntawm transverse txheej txheem) (Currier li al., 2008), kom nkag mus rau hauv lub cranial kab noj hniav ntawm carotid foramen (kwj dej).
Tsis tas li nug, dab tsi yog cov hlab ntsha loj uas muab ntshav rau lub taub hau thiab caj dab?
Cov Kev Loj Hlob Ntawm Lub Taub Hau thiab Lub Cev. Lub taub hau thiab caj dab tau txais feem ntau ntawm nws cov ntshav nkag los ntawm cov carotid thiab vertebral hlab ntsha.
Kuv cov hlab ntsha loj nyob qhov twg?
Cov hlab ntsha loj ntawm cov Lub cev. Cov hlab ntsha yog cov cov hlab ntsha ntawm cov lub cev uas nqa ntshav tawm ntawm cov lub siab thiab rau cov lub cev thiab cov ntaub so ntswg ntawm cov lub cev. Cov aorta yog cov loj tshaj plaws cov leeg nyob rau hauv cov lub cev tawm cov sab laug ventricle ntawm cov plawv.
Pom zoo:
Cov hlab ntsha thiab cov hlab ntsha nyob qhov twg?
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Txawm hais tias txoj hlab ntsha yog ib txwm ntseeg tias taug kev hauv qhov zawj ntawm qhov tsis zoo ntawm tus tav nrog rau cov hlab ntsha thiab cov leeg leeg, cov hlab ntsha kuj tseem tuaj yeem nyob nruab nrab ntawm cov tav. Cov paj hlwb intercostal nyob tob rau hauv cov leeg nqaij intercostal thiab sab nraud rau lub pleura
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
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Jugular vein, ib qho ntawm ntau cov hlab ntsha ntawm lub caj dab uas ntws ntshav los ntawm lub hlwb, lub ntsej muag, thiab caj dab, rov qab mus rau lub plawv ntawm lub siab vena cava. Cov hlab ntsha tseem ceeb yog sab nraud jugular leeg thiab sab hauv jugular leeg
Cov hlab ntsha hauv lub ntsws txawv li cas ntawm cov hlab ntsha hauv nruab nrog cev?
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Cov hlab ntsha. Cov hlab ntsha hauv lub ntsws nqa cov ntshav oxygen tsawg los ntawm txoj hlab ntshav ntawm lub plawv mus rau lub ntsws. Cov hlab ntsha hauv lub cev thauj cov ntshav oxygenated los ntawm sab laug ventricle ntawm lub plawv mus rau tag nrho lub cev. Cov leeg