2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
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?
Artereries (hauv liab) yog cov hlab ntsha uas xa cov ntshav mus rau lub cev. Cov leeg (hauv xiav) yog cov hlab ntsha uas rov qab mus rau lub plawv. Cov hlab ntsha sib sib zog nqus, nyob rau hauv nruab nrab ntawm cov ceg nyob ze ntawm cov pob txha ceg, yog kaw los ntawm cov leeg. Cov leeg iliac, femoral, popliteal thiab tibial (calf) leeg yog cov leeg sib sib zog nqus ntawm ob txhais ceg.
5 cov hlab ntsha loj yog dab tsi?
Muaj tsib chav ntawm cov hlab ntsha: hlab ntsha thiab cov hlab ntsha(cov hlab ntsha), cov hlab ntsha thiab cov hlab ntsha (venous system), thiab capillaries (cov hlab ntsha me tshaj plaws, txuas. arterioles thiab venules los ntawm kev tes hauj lwm hauv lub cev thiab cov ntaub so ntswg) (Daim duab 1).
Cov hlab ntsha yog dab tsi?
Mloog cov lus. (blud VEH-sel) Ib lub raj uas cov ntshav ncig hauv lub cev. Cov hlab ntsha muaj xws li cov hlab ntsha, cov hlab ntsha, cov hlab ntsha, cov hlab ntsha, thiab cov hlab ntsha.
Cov hlab ntsha loj yog dab tsi thiab lawv nyob qhov twg?
Muaj tsib hom hlab ntsha: arteries, uas nqa cov ntshav tawm ntawm lub siab; cov hlab ntsha; cov hlab ntsha,qhov chaw sib pauv dej thiab tshuaj lom neeg ntawm cov ntshav thiab cov ntaub so ntswg tshwm sim; cov venules; thiab cov hlab ntsha, uas nqa ntshav los ntawm cov hlab ntsha rov qab mus rau lub plawv.
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 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.
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 qhov nyuaj ntawm cov hlab ntsha thiab cov membranous?
Dab tsi yog lub luag haujlwm ntawm lub cytoskeleton? Cov txheej txheem nyuaj ntawm flattened vesicles thiab membranous raws uas muaj ribosomes txuas rau nws nto. Yuav ua li cas muaj lub hnab ntim membranous? Golgi Apparatus: Ib qho organelle hauv eukaryotic hlwb uas muaj pawg ntawm cov hnab membranous tiaj tus uas hloov kho, khaws cia, thiab cov khoom siv ntawm endoplasmic reticulum.
