sphincters (sphincter 的复数) n. 括约肌 [医] 括约肌 释义与例句 n. 1. plural of sphincter 相关短语 sphincters of Oddi sphincter of Oddi pyloric sphincters anal sphincters lower esophageal sphincters upper esophageal sphincters urethral sphincters anal sphincter 肛门括约肌 pyloric sphincter 幽门括约肌 urethral sphincter [网络] 尿道括约肌 lower esophageal sphincter upper esophageal sphincter