Cov txheej txheem:
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Video: Dab tsi yog ob ceg dav dav ntawm cov hlab ntsha brachial?
![Video: Dab tsi yog ob ceg dav dav ntawm cov hlab ntsha brachial? Video: Dab tsi yog ob ceg dav dav ntawm cov hlab ntsha brachial?](https://i.ytimg.com/vi/HKm1b57loMU/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Nyob rau ntawm theem ntawm lub luj tshib, cov hlab ntsha brachial faib ua ob ceg ceg, radial thiab ulnar hlab ntsha , radial dhau downward ntawm lub distal (tus ntiv tes xoo) sab ntawm lub forearm, lub ulnar ntawm…
Khaws qhov no saib, cov ceg ntawm cov hlab ntsha brachial yog dab tsi?
Lub brachial hlab ntsha ua 8 ceg nrog rau:
- Profunda brachii leeg.
- Nutrient artery ntawm humerus.
- Superior ulnar collateral artery.
- Nruab nrab ulnar collateral artery.
- Inferior ulnar collateral (supratrochlear) hlab ntsha.
- Deltoid (ascending) cov hlab ntsha.
- Radial hlab ntsha.
- Cov hlab ntsha Ulnar.
Tsis tas li ntawd, qhov twg brachial hlab ntsha tawg? Cov brachial hlab ntsha (Daim duab 525) pib ntawm qhov qis ntawm cov leeg ntawm Teres loj, thiab, dhau ntawm caj npab, xaus li 1 cm. hauv qab qhov khoov ntawm lub luj tshib, qhov twg nws faib mus rau hauv radial thiab ulnar cov hlab ntsha.
Yog li ntawd, cov hlab ntsha brachial pib qhov twg?
Cov brachial hlab ntsha yog qhov txuas ntxiv ntawm axillary cov hlab ntsha pib ntawm qhov qis qis ntawm teres cov leeg loj thiab yog qhov loj cov leeg ntawm lub sab sauv. Cov brachial hlab ntsha cov kev kawm raws ventral nto ntawm caj npab thiab ua rau ntau yam me me branching cov hlab ntsha ua ntej mus txog qhov cubital fossa.
Puas yog brachial artery medial lossis lateral?
Ceg ntoo. Lub profunda brachii yog thawj thiab lub ntsiab ceg ntawm lub brachial hlab ntsha . Nws tshwm sim saum nruab nrab qhov nruab nrab ntawm caj npab sab saud ntawm medial nam ntawm lub nkoj. Txawm li cas los xij, raws li nws kawm posteriorly, nws cheb posterolaterally rau humerus zaum sab sab thiab posterior los ntawm lub sij hawm nws ncav cuag lub luj tshib.
Pom zoo:
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
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Txhua lub paj hlwb muaj lub cev xovtooj ntawm tes uas muaj lub hauv paus thiab cov organelles xws li mitochondria, endoplasmic reticulum, thiab Golgi apparatus. Ceg tawm ntawm cov hlab ntsha hauv lub cev yog cov dendrites, uas ua zoo li cov kav hlau txais xov me me khaws cov cim los ntawm lwm lub hlwb
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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
Vim li cas peb thiaj sau cov ntshav los ntawm cov hlab ntsha thiab tsis yog los ntawm cov hlab ntsha?
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Cov leeg yuav tsum tau li qub kom cov ntshav ntws mus rau lub plawv. Theses li qub yog qhov tshwj xeeb hauv ob txhais ceg thiab caj npab. Lawv tawm tsam lub ntiajteb txawj nqus los tiv thaiv cov ntshav rov qab los. Cov hlab ntsha tsis xav tau li qub vim tias lub siab los ntawm lub plawv ua kom cov ntshav ntws los ntawm lawv mus rau ib qho