房室束横断面大多为三角形，外包有疏松结缔组织鞘。
His's bundle surround by loose connective tissues, was mostly triangle in shape.
室间隔支供应室间隔的大部分、房室束和左右束支近段（图3）。
The septal branches course medially and supply the majority of the interventricular septum, as well as the atrioventricular (AV) bundle and proximal bundle branch (Fig 3) (7).
本文对13例人心标本房室结和房室束的形态及位置，作了连续切片观察。
The morphology and position of the AV node and AV bundle were observed in 13 human hearts with serial sections.
该结果证实房室结及房室束区副交感神经纤维来源于房间隔内的胆碱能神经元。
The present results suggest that the parasympathetic fibers in the atrioventricular node and the bundle of His originate from the cholinergic neurons in the interatrial septum.
目的：在大鼠心肌缺血模型上研究房室交界区(房室结及房室束)的形态学变化。
Objective: To study the morphological changes of atrioventricular junction area (atrioventricular node and atrioventricular bundle) on the myocardial ischemia model of rat.
房室束细胞比移行细胞大、核染色质多、肌丝和肌原纤维及其分支也多、闰盘发达完整。
The cells in the HB were larger than the transitional cells, with abundant chromatin in the nuclei, more myofibers and myofibrils and branches. The intercalated disks were well developed.
当这个传统起搏器产生脉冲对右侧房室进行调节时，脉冲发生器会检测到这一动作，并发射一束脉冲用以刺激左侧房室。
When the conventional pacemaker generates a pulse to pace the right hand side of the heart, this is detected by the pulse-generator and a pulse is sent to stimulate the left hand side of the heart.
它的特征是窦房结功能障碍并常伴有房室结疾病和束支传导阻滞。
It is characterized by sinoatrial node dysfunction and often includes atrioventricular node disease and bundle branch block.
不同种属动物房室交界区细胞束的形态特征及其在房室交界区立体结构中的位置有差异；
There were species difference in the cell shape of those distinct cellular bundles and their position in the architecture of atrioventricular junction.
家禽的心脏传导系统比较特殊，它含有一个返回分支束，使右房室瓣受传导神经的支配。
The conduction system in the avian heart is specialized and contains a recurrent bundle branch that innervates the right atrioventricular valve.
作者认为此例心动过速的机制最可能是房室结内折返伴有前向传导延缓的旁观者房室副束。
The most probable mechanism was suggested as an AV re-entry with a bystander slow conduction AV accessory pathway.
束支阻滞图形多呈右束支阻滞，因房室结转慢径路传导而恢复者有11例(73%)。
Eleven (11) cases (73%) of bundle branch block pattern returned to normal conduction when the impulses in the A-V node passed through the slow-pathway.
有9只山羊的左束支被成功地完全阻断，未发生完全性房室阻滞或右束支阻滞。
The left bundle branch of 9 goats were completely blocked with RFCA. The various degree of atrioventricular conduction disturbance and the right bundle branch block didnt occur.
疗效主要取决于药物对房室旁束逆传的抑制作用。
Its efficacy in OAVRT may be attributed to the inhibition of retrograde conduction of the accessory pathway.
个别运动员心电图出现右房异常、心肌缺血、不完全右束支阻滞和房室传导阻滞等症状的异常波形。
Separately the athlete ECG appears the abnormity wave right arterial abnormity, myocardial ischemia, RBBB and AVB etc. symptoms.
个别运动员心电图出现右房异常、心肌缺血、不完全右束支阻滞和房室传导阻滞等症状的异常波形。
Separately the athlete ECG appears the abnormity wave right arterial abnormity, myocardial ischemia, RBBB and AVB etc. symptoms.
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