Norepinephrine released from sympathetic postganglionic fibers activates specific adrenoceptors ( AR ) on the basolateral surface of the acinar cells to regulate saliva secretion .

交感神经节后纤维释放去甲肾上腺素，通过与腺泡细胞膜表面的肾上腺素受体（adrenoceptor，AR）相结合调节 唾液分泌。