Methods The hearts of 171 adult corpses of Chinese Han nationality were observed for the forms of all the commissural region of the main valves and the commissural region of main and accessory valves.

• 方法对171例中国汉族成人心脏行右房室瓣主瓣连合区和主副瓣连合区的形态学观测。结果主瓣连合区分为单主瓣和联合主瓣间连合区及单主瓣和单主瓣间连合区。