Video: Cov hlab ntsha twg muab ntshav rau cov leeg mob plawv?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov aorta cov (lub ntsiab cov ntshav muab rau lub cev) ceg tawm mus rau hauv ob lub ntsiab coronary hlab ntsha (tseem hu ua cov hlab ntsha). Cov no coronary hlab ntsha ceg tawm mus rau hauv cov hlab ntsha me, uas muab cov ntshav muaj oxygen rau tag nrho lub plawv cov leeg. Txoj cai coronary hlab ntsha muab ntshav feem ntau rau sab xis ntawm lub plawv.
Ib yam li ntawd, nws raug nug, cov ntshav ntws li cas los ntawm cov hlab ntsha?
Coronary ncig yog kev ncig ntawm ntshav hauv ntshav laiv li khoom mob plawv (myocardium). Coronary artery supply cov pa ntshav rau lub plawv nqaij, thiab plawv cov leeg ntws tawm ntawm ntshav ib zaug nws tau deoxygenated.
4 cov hlab ntsha loj yog dab tsi? Txoj cai kab mob plawv cov leeg , sab laug lub ntsiab coronary, sab laug anterior nqis los, thiab sab laug circumflex cov leeg , yog cov plaub loj coronary cov hlab ntsha.
Ib qho ntxiv, tus tub hluas muab ntshav rau dab tsi?
Cov LAD muab ntshav rau pem hauv ntej thiab sab laug ntawm lub siab. Cov circumflex leeg yog lub luag haujlwm rau ntshav txaus mus rau sab laug atrium thiab sab nraub qaum-sab ntawm sab laug ventricle.
Cov hlab plawv twg muab cov ntshav rau phab ntsa tom qab?
txoj cai coronary artery
Pom zoo:
Cov hlab ntsha qis hauv cov hlab ntsha ntws mus rau qhov twg?
Brachiocephalic leeg
Hom hlab ntshav twg txuas cov hlab ntsha thiab cov hlab ntshav?
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?
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?
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?
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