[名词解释] 奇恒之腑

六淫 引起纵隔增宽的病变中，哪类最常见() ["A．炎症性","B．出血性","C．肿瘤性","D．淋巴性","E．血管性"] 腧穴 胃肠道疾病首选的检查方法为() ["A．钡剂造影","B．平片检查","C．MRI检查","D．CT检查","E．胆系造影检查"] 食管中下段局限性不规则收缩，称为() ["A．第1蠕动波","B．第2蠕动波","C．第3蠕动波","D．第4蠕动波","E．以上都不是"] 奇恒之腑