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Video: Dab tsi ua rau cov hlab ntsha axillary tig mus rau?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Anatomical terminology
Hauv tib neeg lub cev, qhov axillary leeg yog cov hlab ntsha loj uas xa cov ntshav oxygenated mus rau sab nraud ntawm lub thorax, lub axilla ( xub pwg ) thiab lub xub pwg nyom. Nws keeb kwm yog nyob rau ntawm ib sab ntug ntawm thawj tus tav, ua ntej uas nws hu ua subclavian cov leeg.
Ntawm no, lub axillary hlab ntsha ua dab tsi?
Cov axillary leeg yog qhov txuas ntxiv ntawm subclavian cov leeg uas pib ntawm tus ciam teb sab nraud ntawm thawj tus tav. Thaum tawm los axilla , cov axillary leeg hloov nws lub npe ntawm tus ciam teb qis ntawm teres loj thiab txuas ntxiv hauv caj npab li brachial cov leeg . Axillary leeg hauv axilla.
Ib yam li ntawd, cov hlab ntshav axillary faib li cas? Cov axillary leeg yog faib ua peb ntu los ntawm nws qhov kev sib raug zoo rau cov leeg nqaij pectoralis: thawj ntu yog sib thooj rau pectoralis me. qhov thib ob yog posterior rau pectoralis me. thib peb yog distal rau pectoralis me.
Ib qho ntxiv, peb txoj hlua nyob ib ncig ntawm cov hlab ntshav axillary yog dab tsi?
Cov thib peb ib feem nyob deb mus rau ciam teb qis ntawm pectoralis cov leeg me, sab xub ntiag rau subscapularis cov leeg thiab teres loj nqaij. Nws muaj peb ceg ntoo uas yog variable nyob rau hauv lawv cov kev txiav txim: lub subscapular lub cev, lub anterior humeral circumflex cov leeg , thiab posterior humeral circumflex cov leeg.
Cov hlab ntsha axillary dhau los ua cov hlab ntsha brachial nyob qhov twg?
Cov brachial leeg yog cov hlab ntsha loj ntawm lub caj npab (sab sauv). Nws yog qhov txuas ntxiv ntawm axillary hlab ntsha dhau ntawm qhov qis ntawm cov leeg teres loj. Nws txuas ntxiv mus rau sab nraub qaum ntawm caj npab kom txog thaum nws mus txog qhov cub fossa ntawm lub luj tshib.
Pom zoo:
Cov hlab ntsha qis hauv cov hlab ntsha ntws mus rau qhov twg?
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Brachiocephalic leeg
Dab tsi yog qhov txawv ntawm cov hlab ntsha thiab cov hlab ntsha capillaries?
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Piav qhia: Cov hlab ntshav nqa ntshav nyob hauv siab los ntawm lub plawv mus rau cov kabmob thiab cov nqaij. Lawv cov phab ntsa feem ntau yog tuab dua li cov leeg. Capillaries yog qhov sib txuas ntawm cov hlab ntsha thiab cov leeg thiab me me heev, Cov ntaub so ntswg qee zaum pom tawm thiab rov nco qab los ntawm cov qog ntshav thiab rov qab los rau cov leeg ntshav
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
Puas yog Neuroglia tsim cov hlab ntsha hauv cov hlab ntsha hauv nruab nrab cov hlab ntsha?
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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
Dab tsi yog cov hlab ntsha thiab cov hlab ntsha capillaries?
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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