2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
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.
Puas arterioles loj dua cov leeg?
Ntau hom hlab ntsha sib txawv me ntsis hauv lawv cov qauv, tab sis lawv qhia tib yam dav dav. Cov hlab ntsha thiab cov hlab ntsha muaj cov phab ntsa tuab dua cov leegthiab cov venules vim lawv nyob ze rau lub plawv thiab tau txais cov ntshav uas nce siab dua (Daim duab 2).
Puas capillaries yog cov hlab ntsha loj tshaj plaws?
Capillaries, tsawg tshaj plaws thiab feem ntau ntawm cov hlab ntsha, tsim kev sib txuas ntawm cov hlab ntsha uas nqa cov ntshav tawm ntawm lub plawv (cov hlab ntsha) thiab cov hlab ntsha uas rov qab mus rau cov ntshav. lub plawv (veins). Lub luag haujlwm tseem ceeb ntawm capillaries yog kev sib pauv khoom ntawm cov ntshav thiab cov ntaub so ntswg.
Puas arterioles yog cov hlab ntsha loj tshaj plaws?
Cov hlab ntsha loj tshaj plaws yog lub aorta, lub ntsiab lus siab siab txuas nrog lub plawv sab laug ventricle. Cov ceg aorta mus rau hauv lub network ntawm cov hlab ntsha me me uas txuas mus thoob plaws lub cev. Cov hlab ntsha me me yog hu ua arterioles thiab capillaries.
3 hom hlab ntsha yog dab tsi?
Muaj peb hom hlab ntsha loj:
- Elastic hlab ntsha.
- Cov hlab ntsha.
- Arterioles.
Pom zoo:
Puas yog ib qho chaw zoo li lub zais pa loj ntawm cov hlab ntsha?
Aneurysm yog ib qho chaw loj ntawm cov hlab ntsha, tus yam ntxwv los ntawm lub zais pa zoo li pob. Nws tshwm sim los ntawm qhov txawv txav tsis muaj zog ntawm cov hlab ntsha phab ntsa. Feem ntau hom aneurysm muaj xws li plab aortic aneurysm, thoracic aortic aneurysm thiab intracranial aneurysm.
Puas yog cov hlab ntsha loj tshaj?
Cov hlab ntsha loj tshaj plaws yog lub aorta, lub ntsiab lus siab siab txuas nrog lub plawv sab laug ventricle. Cov ceg aorta mus rau hauv lub network ntawm cov hlab ntsha me me uas txuas mus thoob plaws lub cev. Cov hlab ntsha me me yog hu ua arterioles thiab capillaries.
Puas yog cov hlab ntsha loj dua?
Cov paj hlwb ntau dua (GSN) yog qhov siab tshaj plaws nyob rau hauv txoj hauj lwm ntawm peb lub paj hlwbthiab nws tau txais ceg ntawm T5-T8 thoracic sympathetic ganglia, tsawg dua splanchnic hlab ntsha (LSN) nyob hauv qab ntawm qhov loj dua thiab tau txais ceg ntawm T9 thiab T10 sympathetic ganglia, thiab qhov tsawg tshaj plaws splanchnic hlab ntsha (ISN) yog qhov qis tshaj … Dab tsi yog cov hlab ntsha loj dua splanchnic?
Puas yog cov hlab ntsha loj?
Cov hlab ntsha loj uas txuas nrog lub plawv muaj xws li lub aorta, superior vena cava, inferior vena cava, pulmonary artery (uas siv cov ntshav tsis muaj oxygen los ntawm lub plawv mus rau lub ntsws, qhov twg nws yog oxygenated), pulmonary veins (uas coj oxygen-nplua nuj ntshav los ntawm lub ntsws mus rau lub plawv) thiab … cov hlab ntsha loj nyob qhov twg?
Yuav ua li cas cov hlab ntsha jugular loj dua?
YOG UA NTEJ HAIV NEEG JUGULAR VEINS. Lub sab laug leeg feem ntau yog me dua li ntawm sab xis, tab sis ob leeg muaj li qub uas pab thauj ntshav. Ntawm ob lub ntsiab lus hauv cov hlab ntsha nws zoo nkaus li dav dua, thiab cov khoom no hu ua lub teeb zoo dua thiab qhov muag tsis zoo.
