2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Feem ntau ntawm cov hlab ntsha lymphatic muaj li qub xws li cov hlab ntshakom cov qog ntshav tuaj yeem txhaws, ntws mus rau ib qho kev taw qhia (mus rau lub plawv). Lymphatic hlab ntsha ntws cov kua dej hu ua lymph los ntawm cov ntaub so ntswg thoob plaws hauv lub cev thiab xa cov kua dej rov qab mus rau hauv cov hlab ntsha los ntawm ob lub ducts.
Puas cov hlab ntsha lymphatic lossis cov hlab ntsha puas muaj ntau lub li qub?
Lymphatic Vessels
Cov hlab ntsha ntawm cov hlab ntsha yog ntau qhov sib nrug ntau dua li cov leeg leeg, thiab cov hlab ntsha tuaj yeem muaj cov hlaws dai nrog cov kua dej ntawm cov hlab ntsha. cov li qub. Cov hlab ntsha loj dua muaj cov nqaij leeg ntau dua hauv tunica media.
Cov hlab ntsha lymphatic muaj pes tsawg leeg?
Ib lymphangion yog lo lus rau qhov chaw nruab nrab ntawm ob lub pob zeb semilunarhauv cov hlab ntsha lymphatic, chav ua haujlwm ntawm lub lymphatic system.
Cov hlab ntsha lymphatic zoo ib yam li cov leeg?
Lymphatic Vessels, Lub cev, thiab cov kav dej. Cov hlab ntsha loj dua yog zoo ib yamrau cov leeg ntawm lawv cov qauv peb-tunic thiab muaj ib txoj kev li qub los tiv thaiv rov qab.
Cov hlab ntsha lymphatic puas nqa ntshav?
Cov kab mob lymphatic yog lub network ntawm cov ntaub so ntswg, cov hlab ntsha thiab cov khoom nruab nrog cev uas ua haujlwm ua ke kom txav cov kua dej tsis muaj xim, hu ua lymph rov qab mus rau hauv koj cov hlab ntsha (koj cov hlab ntsha). Qee 20 litres ntawm plasma ntws los ntawm koj lub cev cov hlab ntsha thiab cov hlab ntsha me me thiabcapillaries txhua hnub.
Pom zoo:
Puas antegrade ntws hauv cov hlab ntsha vertebral li qub?
Postoperatively ib tug tshiab Directional Doppler ultrasound kuaj ces pom bilateral li qub (=antegrade) vertebral artery ntshav ntws. Cov txheej txheem uas tsis yog siv tau raug pom tias muaj kev ntseeg siab thiab yuav raug siv los tshuaj xyuas cov neeg mob uas xav tias muaj subclavian steal subclavian steal Tus subclavian steal syndrome (SSS) yog hais txogvascular disorder uas occlusion lossis stenosis ntawm lub subclavian artery proximal to the vertebral artery origin (uas
Cov hlab ntsha puas muaj cov endothelium du?
circulatory system …an sab hauv ntawm du endotheliumnpog los ntawm qhov chaw ntawm cov ntaub so ntswg elastic. Lub tunica media, los yog lub tsho nruab nrab, yog tuab hauv cov hlab ntsha, tshwj xeeb tshaj yog nyob rau hauv cov hlab ntsha loj, thiab muaj cov leeg nqaij sib txuas nrog elastic fibers.
Cov hlab ntsha puas muaj cov ntshav muaj oxygen?
Cov hlab ntsha (liab) nqa oxygen thiab cov as-ham tawm ntawm koj lub siab, mus rau koj lub cev cov ntaub so ntswg. Cov hlab ntsha (xiav) coj cov ntshav tsis muaj oxygen rov qab mus rau lub plawv. Cov hlab ntsha pib nrog lub aorta, cov hlab ntsha loj tawm hauv plawv.
Puas yog cov hlab ntsha puas muaj li qub?
Capillaries yog cov hlab ntsha me tshaj plaws hauv lub cev. Cov qauv ntawm capillaries muaj tsuas yog ib txheej ntawm endothelial hlwb. Yog li no, capillaries tsis muaj li qub. Puas capillaries muaj li qub lawm los yog tsis? Capillaries txuas cov hlab ntsha mus rau cov leeg.
Puas yog cov hlab ntsha loj dua cov hlab ntsha?
Arterioles nqa ntshav thiab oxygen mus rau hauv cov hlab ntsha me tshaj plaws, cov hlab ntsha. Capillaries yog li ntawd small lawv tsuas pom tau nyob hauv lub tshuab tsom. Cov phab ntsa ntawm capillaries yog permeable rau oxygen thiab carbon dioxide.
