Video: Dab tsi ua rau cov leeg ntshav liab sab laug?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Sab laug colic leeg . Cov sab laug colic leeg yog thawj ceg ntawm qhov qis dua mesenteric cov leeg thiab muab ntshav mus rau txoj hnyuv me thiab cov hnyuv hla, ob qho tib si yog ib feem ntawm txoj hnyuv loj.
Tib neeg kuj nug, txoj cai colic cov hlab ntsha puas yog dab tsi?
Txoj cai colic leeg . SMA yog ib ntawm peb qhov loj cov hlab ntsha uas khoom siv ntshav mus rau txoj hnyuv loj. Tom qab faib tawm SMA, cov txoj cai colic leeg faib nyob rau hauv txoj hnyuv, tsim ib tug descending cov leeg (uas koom nrog ileocolic cov leeg ) thiab nce mus cov leeg (uas koom nrog nruab nrab colic hlab ntsha ).
Tsis tas li, dab tsi ua rau cov hlab ntsha mesenteric qis dua? Cov inferior mesenteric hlab ntsha (IMA) yog ib ceg loj ntawm lub plab aorta. Nws khoom siv arterial cov ntshav mus rau hauv nruab nrog cev ntawm lub hindgut - qhov distal 1/3 ntawm txoj hnyuv loj transverse, splenic flexure, descending colon, sigmoid nyuv thiab qhov quav.
Kuj paub yog, dab tsi yog qhov nruab nrab colic cov hlab ntsha muab?
Cov nruab nrab colic hlab ntsha yog ib ceg ntawm qhov zoo tshaj mesenteric cov leeg uas feem ntau khoom siv transverse txoj hnyuv. Nws tshwm sim hauv qab ntawm tus txiav. Nws hla inferiorly thiab anteriorly ntawm cov khaubncaws sab nraud povtseg ntawm transverse mesocolon, thiab faib mus rau sab laug thiab txoj cai ceg.
Qhov zoo tshaj mesenteric hlab ntsha muab ntshav rau qhov twg?
Cov hlab ntsha mesenteric zoo tshaj yog cov hlab ntshav loj hauv cov txheej txheem zom zaub mov. Cov hlab ntsha no tawm ntawm lub plab aorta thiab muab cov ntshav oxygenated rau cov txiav txiav thiab cov qis qis ntawm cov txoj hnyuv . Qhov no suav nrog qis duodenum , zoo li txoj hlab ntsha transverse.
Pom zoo:
Dab tsi valve nyob nruab nrab ntawm sab laug atrium thiab sab laug ventricle?
Lub mitral valve, nruab nrab ntawm sab laug atrium thiab sab laug ventricle; thiab. aortic valve, nruab nrab ntawm sab laug ventricle thiab aorta
Lobe sab laug sab laug ntawm lub ntsws yog dab tsi?
Lobe sab laug sab saud (LUL) yog ib ntawm ob lub lobes hauv lub ntsws sab laug. Nws tau sib cais los ntawm sab laug sab qis los ntawm sab laug oblique fissure thiab muab faib ua plaub ntu bronchopulmonary, ob qho uas sawv cev rau lingula
Dab tsi yog txoj haujlwm ntawm sab laug sab laug sab laug?
Hauv tib neeg feem ntau, sab laug ntawm lub paj hlwb yog qhov tseem ceeb, thiab hauv tib neeg feem ntau sab laug sab laug sab laug tswj kev nco txog ntsig txog qhov tseeb thiab cov ntaub ntawv, nrog rau lub peev xwm paub lub ntsej muag thiab khoom
Dab tsi tshwm sim rau cov pa roj carbon dioxide ua ntej cov ntshav nkag mus rau sab laug ntawm lub plawv?
Nyob rau tib lub sijhawm, cov pa roj carbon dioxide, cov khoom pov tseg ntawm cov metabolism, kis los ntawm cov ntshav mus rau hauv cov hnab cua. Cov pa roj carbon dioxide tawm ntawm lub cev thaum koj nqus pa. Thaum cov ntshav tau lim thiab oxygenated, nws rov qab mus rau sab laug atrium los ntawm cov hlab ntsws
Dab tsi ua rau sab hauv cov leeg leeg leeg?
Internal iliac artery (tseem hu ua hypogastric artery) yog cov ceg me me ntawm cov hlab ntsha iliac. Nws muab cov phab ntsa pelvic, pelvic viscera, sab nraud genitalia, perineum, pob tw thiab nruab nrab ntawm tus ncej puab