Synarn.西纳尔SYNpref.同步；同时synaptic modulator突触调质, 突触调制物synstigmin bromide[化] 溴化新斯的明Synaptic formation突触形成synaptic potential突触电位synarthropic plant伴人植物syndesmo-odontoid[医] 齿突韧带联合(寰齿后关节)synovialinterposing滑膜嵌顿Synotis triligulatan.三舌合耳菊synaptic connection突触联系Synotis saluenensisn.腺毛合耳菊