Three molecular forms of somatostatin stimulated contractile activity of antral circular strips increasing the mean contractile amplitude,but failed to influence fundus,body and pylorus in rats.

• 三种形式的生长抑素均兴奋大鼠胃窦环行肌条的活动,使其收缩波平均振幅增大,而对胃底、胃体和幽门等部位肌条的活动均无明显的影响。