Both atria are thinwalled muscular chambers.
两心房是由薄壁构成的空腔。

fibrillation of the muscles of the atria of the heart
心脏中庭原纤维肌肉颤动

Effects of berberine on left atria and trachea in guinea pigs
小檗碱对豚鼠左心房和气管的作用

Relating to or affecting the atria and ventricles of the heart.
关于心房、心室或影响心房、心室。

First, the two upper chambers of the heart, called atria, contract.
首先，心脏上不得两个腔室收缩。

The combined contraction of the atria and ventricles is a heartbeat.
心房和心室的这一系列动作合称为一次心跳。

Effects of benzyltetrahydropalmatine on atria and trachea in guinea pig
苄基四氢巴马汀及己吡氰胍对豚鼠气管及心肌的作用

Negative inotropic effect of zinc sulfate in isolated guinea pigs atria
硫酸锌对豚鼠心房肌的负性变力作用

Positive inotropic effect of methyl polyglycoside on isolated guinea pig atria
甲基葡糖苷对豚鼠离体心房的正性肌力作用

During diastole, the atria and ventricles of your heart relax and to with blood.
在心脏舒张期，心房和心室放松，血液开始流入。

Two model atria with different bodily form coefficients were set up in the paper.
本文建立了两个不同体型系数得模型中庭实验台。

Yet on maximal vagal stimulation, both atria and ventricles come to a standstill.
然而，以最大刺激作用于迷走神经时，心房和心室都停搏。

In atrial fibrillation, the walls of the atria quiver instead of beating normally.
在房颤时，心房不再正常收缩而变为颤动。

This action pushes blood through the open valves from the atria into both ventricles.
这样血液会经过左右心房的瓣膜流入两个心室。

The ablations disrupt the atria's abnormal electrical activity and normalize heart rhythm.
消融扰乱了心房异常电活动并使心脏节律恢复正常。

A preliminary study of the mechanism of POSTOVERDRIVE suppression of the rabbit right atria
兔右房超速驱动后阻抑机制的初步探讨

These smaller atria admit sunlight into the main atrium at various times throughout the day.
这些较小的心房接纳阳光到主房在不同时期的一天。

The atria contract and empty simultaneously into the ventricles, which also contract in unison.
心房合同和同时倒空入心室，在一致也收缩。

The papillary muscles contract during systole to prevent regurgitation of blood into the atria.
乳头肌在心脏收缩期收缩，以防血液回流入主动脉。

Only a small number of these cells are distributed in the atria, the ventricles, and the epicardium.
这些细胞只有少数分布在心房, 心室和心外膜。

Healthy valves open and close coordination with the pumping action of your heart's atria and ventricles.
健康瓣膜的开合会严密配合心房与心室的泵血动作。

Characteristics of electrical connections between atria and pulmonary veins in patients with paroxysmal atrial fibrillation
阵发性心房颤动患者肺静脉与心房电连接特征的临床研究

Some of them we went were Wisma Atria, Ngee Ann City, The Cathay, Parkland, Plaza Sing, Heeren, The Shaw, Paragon and Lucky Plaza.
到底要怎么样再不会感到空虚呢？

Clinical value of multiplane transesophageal echocardiography in diagnosing left atria thrombi in patients with rheumatic heart disease
多平面经食管超声心动图诊断风心病左房血栓的临床价值