Material and Methods: 54 healthy male SD rats were randomly divided into three groups: control group (n=18), SAP group (n=18), and Ani group (n=18).

• 材料和方法：成年雄性SD大鼠54只，各取18只分别作为假手术对照组、SAP组和山莨菪碱(Ani)治疗组。