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Objective To investigate cell type and size of fetus atrioventricular node.
目的探讨胎儿房室结内的细胞类型和大小。
Results The cell type of atrioventricular node in fetus hearts were composed of light, dark and transitional cells.
结果胎儿房室结的细胞主要为亮细胞、暗细胞和移行细胞。
It is characterized by sinoatrial node dysfunction and often includes atrioventricular node disease and bundle branch block.
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。
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