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Ohjective: To study the morphological aspects corresponding to the complex electrophysiological signs of dual ( multi)-pathway and reentry of the atrioventricular node ( AVN) area.

目的：为探讨心传导系房室结区双（多）径路传导、折返等复杂电生理的形态学基础。

Objective: This paper was designed to analyze the effects of kinin free high molecular weight kininogen ( HKa) on cell spreading to altered vitronectin ( aVN).

目的：通过观察结构上改变的体外连接蛋白（aVN）底物上激活的高分子激肽原（HKa）对细胞伸展的影响，比较VN与aVN上HKa对细胞抑制活性。

Objective To assess the long term consequence of sino atrial nodal ( SAN) and atrio ventricular nodal ( AVN) functions after permanent AAI pacing.

目的了解心房按需起搏器（AAI）植入术后窦房结和房室传导功能的远期转归。

Methods: The sinuatrial node ( SAN) and the atrioventricular node ( AVN) were observed in 5 guinea pigs with a transmissive electron microscope.

方法：对5例豚鼠心脏的窦房结和房室结，进行透射电镜观察。

Objective To investigate ventriculoatrial conduction ( VAC) by dual or multiple atrioventricular nodal ( AVN) pathways and its special electrophysiological phenomena and mechanisms.

目的探讨房室结双径路或多径路室房传导及其伴发的特殊心电现象和发生机制。

Objective To assess the atrioventricular node ( AVN) function in patients with atrial fibrillation ( AF) associated with long RR interval after cardioversion.

目的评价心房颤动（房颤）伴长RR间期患者电复律后房室结功能，探讨房颤伴二度房室阻滞的诊断标准。

Conclusion: Through clinical research we regard that there are significant difference between conservative treatment and surgical treatment in the predilection sites about the AVN of femur head.

结论：经过临床研究分析，保守治疗后与DDH手术后出现头坏死在发病部位上存在差异。

From the posterior part to the anterior part of the AVN, the numerical density, the volume density, the surface density of P cells gradually increased.

AVN由后向前，P细胞的数密度、体积密度及表面积密度增加。

From the posterior part to the anterior part of the AVN, the nucleus dimension and the nucleocytoplasmic ratio of P cells gradually decreased.

AVN由后向前，P细胞的核逐渐变小，核浆比下降。

Results The AVN function was normal in sinus rhythm in 19 cases, and one patient had first degree atrioventricular block ( AVB).

结果除1例为一度房室阻滞外，其余19例房室结功能均正常。

Analysis of Stress on Proximal End of Femora of Chinese After femoral head replacement operation Geometric study of proximal femur for the Chinese AVN population

国人股骨头置换术后股骨近端测试应力分析中国人股骨头缺血性坏死股骨近端的形态研究

The difference of P cells may serve as morphological basics for of the latent pacing and the conduction delay of AVN.

P细胞的差异及空间分布的不同可能与潜在起搏的部位及传导速度有关。

The VA interval during tachycardia was significantly longer in group AP than in group AVN ( P < 0.001).

心动过速时VA间期旁道组明显长于房室结组，两者相比VASVT差异显著（P<0001）；

Objective: To study the cytological and stereological features of P cell in the different parts of the AVN in rat heart.

目的：探讨大鼠心脏房室结（AVN）各部P细胞的细胞学和体视学的特征。

Drilling Holes Treatment of Avascular Necrosis of Femoral Head ( AVN) through Hip Arthroscopy

髋关节镜下钻孔减压治疗早期股骨头无菌坏死的初步报告

The collagen fibres in the AVN of guinea-pigs mainly include Type I and III.

豚鼠房室结内胶原纤维主要有I型和111型。随着年龄的增加，胶原纤维总量和比例增高以I型为主。

Transient atrioventricular block was induced during slow pathway ablation in 3 patients with AVN double pathways.

3例房室结双径路患者消融慢径路时出现一过性房室阻滞。

On the basis of these ultrastiuctural features, the function of AVN is discussed.

根据结内细胞的亚微结构特征，讨论了房室结的生理功能。

Conclusion: ① From the posterior part to the anterior part of AVN, P cells were in different developing states.

结论：①AVN由后向前，P细胞的分化逐渐成熟。

Adult avascular necrosis ( AVN) is a kind of bone necrosis.

成人股骨头缺血性坏死（AVN）是骨坏死的一种。