Keywords Cholecystokinin;Lipopolysaccharides;Receptor;Specific antagonist;Thoracic aorta;Smooth muscle cell;Inducible nitric oxide synthase;

• 八肽胆囊收缩素;脂多糖;受体;特异性拮抗剂;胸主动脉;平滑肌细胞;诱导型一氧化氮合酶;