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Video: Cov hlab ntsha twg muab cov ntshav mus rau txoj hnyuv?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov ntshav muab rau hauv txoj hlab ntshav thiab qis qis yog muab los ntawm cov ceg ntawm cranial thiab caudal mesenteric cov hlab ntsha . Keeb kwm ntawm lub cranial mesenteric hlab ntsha, lub nruab nrab colic hlab ntsha muab cov hnyuv transverse ua ntej anastomosing nrog rau sab laug colic leeg.
Tsis tas li ntawd, cov hlab ntsha twg muab cov hlab ntsha transverse?
superior mesenteric hlab ntsha
cov hlab ntsha twg muab cov ntshav rau txoj hnyuv loj? inferior mesenteric hlab ntsha
Tom qab ntawd, ib tus tseem tuaj yeem nug, cov khoom siv ntshav rau txoj hnyuv li cas?
Kev muab ntshav Cov hnyuv tau muab los ntawm superior mesenteric hlab ntsha ntawm nws txoj cai colic thiab nruab nrab colic ceg thiab los ntawm cov inferior mesenteric hlab ntsha los ntawm nws sab laug colic thiab ntau ceg sigmoid. Cov ceg ntoo dav dav ntawm cov hlab ntsha no nkag mus rau phab ntsa plab hu ua vasa recta.
Transverse nyuv ua dab tsi?
Cov txoj hlab ntsha transverse txuas qhov nce txoj hnyuv mus rau qhov nqis txoj hnyuv . Functions ntawm txoj hlab ntsha transverse suav nrog: Tsiv cov khoom pov tseg rau pem hauv ntej mus rau lub qhov quav siv peristalsis thiab haustral churning. Kev nqus dej thiab electrolytes.
Pom zoo:
Cov hlab ntsha qis hauv cov hlab ntsha ntws mus rau qhov twg?
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Brachiocephalic leeg
Hom hlab ntshav twg txuas cov hlab ntsha thiab cov hlab ntshav?
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Hom hlab ntsha Capillaries yog feeb nyias-walled hlab ntsha uas txuas cov hlab ntsha thiab venules; Nws yog los ntawm cov capillaries uas cov as-ham thiab cov pov tseg tau pauv ntawm cov ntshav thiab cov ntaub so ntswg ntawm lub cev
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
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