sinoatrial 中文意思是什麼
sinoatrial
解釋
竇房的-
The sinoatrial node is located at the junction of the superior vena cava and the right atrium.
竇房結位於上腔靜脈與右心房的交界處。 -
In order to investigate the relationship between myocardium responsiveness and its firing dynamic states, bilateral vagotomy, m receptor blocking, acetylcholine ( ach ) perfusion and continuously autonomic nerve ending stimulating methods were employed to change the rabbit sinoatrial node ( sa ) firing dynamics. isoprenaline, noradrenalin, ach, sympathetic or vagal nerve ending stimulation was used individually to measure the sa responsiveness in different dynamic state
3 、竇房結在正常放電狀態時，對0衛， 0人0石ug kg異丙腎上腺素的反應性均強于應用阿托品后，前後相比有顯著差異（ p 0刀5 ） ；待阿托品作用部分消除后，竇房結對異丙腎上腺素的反應性也部分恢復。 -
The main results as follows results from sinoatrial node in vivo 1 、 under bilateral vagi intact condition the value of hf ( high frequency power ) component, lf ( low frequency power ) component and apen value of ibis was the highest, but the lf / hf ratio was the lowest ; unilateral vagotomy decreased apen value of ibis, right vagotomy increased lf / hf ratio but left vagotomy did not
05 ） 。在離體竇房結還記錄到自發輕度不規則放電，自發不規則放電使竇房結放電間期近似嫡從對照時的0二8土0 09 （ n 6 ）升高到不規則放電時的0 -
Activation of the heart normally begins in the sinoatrial node.
在正常情況下，心臟的活動始於竇房結。 -
Contraindications documented hypersensitivity 。 adams - stokes syndrome and wolf - parkinson - white syndrome ; severe sinoatrial, av, or intraventricular block ( if artificial pacemaker is not used )
禁忌癥：由過敏史者。阿斯綜合征，沃-帕-懷綜合征，嚴重竇房結.房室結傳導阻滯或室內阻滯患者禁用。 -
Effect of exhaustive exercise on microstructure of sinoatrial node of rats
力竭運動對大鼠竇房結顯微結構的影響 -
Above influences are conformed by central nervous system and transmitted to sinoatrial node by sympathetic and parasympathetic nerves. in physiological conditions the parasympathetic nerve modulation to sinoatrial node play more important roles than sympathetic nerve and is the main source of the heart rate variability
在正常完整機體，心交感及心迷走均對竇房結施加緊張性影響，但在安靜狀態下心迷走緊張性影響居主導地位且是產生心率變異性（指逐次心搏rr間期不斷波動的現象）的主要原因之一。
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