![Qhov atrioventricular node nyob qhov twg? Qhov atrioventricular node nyob qhov twg?](https://i.tvmoviesgames.com/preview/questions/17910737-where-is-the-atrioventricular-node-j.webp)
2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Lub atrioventricular (AV) node yog ib qho qauv me me hauv lub plawv, nyob nyob rau hauv daim duab peb sab Koch, [1] ze ntawm lub qhov txhab ntawm lub qhov txhab ntawm lub cev interatrial septum. Nyob rau hauv lub plawv txoj cai, lub atrioventricular node yog muab los ntawm txoj cai coronary artery.
SA thiab AV node nyob qhov twg?
Lub SA node tseem hu ua sinus node. Cov teeb liab hluav taws xob tsim los ntawm SA node txav los ntawm lub xov tooj mus rau ntawm tes los ntawm lub plawv mus txog thaum nws mus txog atrioventricular node (AV node), ib pawg ntawm cov hlwb nyob nyob rau hauv nruab nrab ntawm lub plawv nruab nrab ntawm lub atria thiab ventricles.
Dab tsi yog atrioventricular node?
Lub atrioventricular node (AVN) yog tus qauv nyuaj uas ua tau ntau yam haujlwm hauv lub siab. AVN feem ntau yog tus saib xyuas hluav taws xob nruab nrab ntawm lub atria thiab ventricles thiab qhia txog kev ncua ntawm atrial thiab ventricular excitation, tso cai rau kom muaj txiaj ntsig ventricular filling.
Puas yog AV node nyob rau hauv txoj cai atrium?
Anatomically, AV node yog nyob hauv daim duab peb sab ntawm Koch, 2ib cheeb tsam nyob ntawm lub hauv paus ntawm txoj cai atrium txhais los ntawm cov cim hauv qab no: lub coronary sinus (CS) ostium, tendon ntawm Todaro (tT), thiab daim ntawv septal ntawm tricuspid valve (TV).
qhov atrioventricular node originate?
Lineage thiab nthuav qhia kev txheeb xyuas tau qhia tias lub atrioventricular nodetsim los ntawm ib subpopulation ntawm precursor hlwb nyob rau hauv lub dorsal ib feem ntawm lub embryonic atrioventricular kwj dej.
Pom zoo:
Qhov khoom nyob rau pem hauv ntej ntawm lub lens diverging nyob qhov twg?
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Teb: Dav hlau daim iav Dav Hlau Daim iav Rau lub teeb rays tawm lub dav hlau daim iav, lub lub kaum sab xis ntawm kev xav sib npaug ntawm lub kaum sab xis ntawm qhov xwm txheej. … Daim duab tsim los ntawm daim iav dav hlau yog ib txwm virtual (lub ntsiab lus tias lub teeb rays tsis yog los ntawm daim duab), upright, thiab ntawm tib lub duab thiab loj npaum li cov khoom nws yog reflecting.
Qhov chaw ncig tebchaws nyob hauv bhagalpur nyob qhov twg?
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Bhagalpur faib lub zos yog ib pawg tswj hwm thaj chaw ntawm Bihar xeev ntawm Is Nrias teb, nrog Bhagalpur ua thawj coj hauv paus chaw haujlwm. Raws li xyoo 2005, qhov kev faib muaj xws li Bhagalpur koog tsev kawm ntawv, thiab Banka koog tsev kawm ntawv thiab nyob rau ntawm ntug dej ntawm Ganga River.
Kev tsis ncaj ncees nyob qhov twg yog qhov hem rau kev ncaj ncees nyob txhua qhov chaw?
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Martin Luther King tau hais tias: “Kev tsis ncaj ncees nyob txhua qhov chaw yog kev hem thawj rau kev ncaj ncees nyob txhua qhov chaw. Peb raug ntes nyob rau hauv ib tug inescapable network ntawm kev sib nrig sib pab, khi nyob rau hauv ib lub tsoos tsho ntawm txoj hmoo.
Qhov twg yog qhov tsis txaus ntseeg nyob qhov twg?
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Yuav muaj ob lub cev tsis zoo nyob rau hauv lub midbrain. Lawv yog symmetrically positioned, ib tug nyob rau ntawm ob sab ntawm lub midline ntawm lub hlwb, thiab lawv tsim ob lub pob nyob rau hauv lub posterior nto ntawm lub paj hlwb nyob rau hauv qab ntawm lub superior colliculi.
Qhov twg tag nrho cov nqi hluav taws xob nyob ntawm qhov kev siv nyiaj siab tshaj plaws yog qhov twg?
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marginal utility is zero. Tag nrho cov nqi hluav taws xob yog siab tshaj thaum marginal utility yog xoom. Qhov no yog vim muaj ntau txoj cai ntawm kev txo qis marginal utility uas hais tias tus neeg siv khoom noj ntau thiab ntau qhov zoo, qhov ntxiv rau tag nrho cov nqi hluav taws xob poob.