APP A NEUROTRANS-MITTER found at the majority of synap-ses,which occur where one nerve cell meets another.Nerves that produce acetylcholineare called cholinergic nerves;they form theparasympathetic nervous system and alsosupply the voluntary muscles.一種神經(jīng)遞質(zhì),可見......（本文共 280 字） [閱讀本文] >>
