it is concluded that acetylcholinesterase is secreted from the nerves of auerbach 's plexus in response to depolarizing stimuli or to nicotinic cholinergic stimulation , while butyrylcholinesterase is secreted from non-neural elements , possibly the longitudinal muscle cells , of guinea-pig ileum in response to a depolarizing stimulus .
C0001044
acetylcholinesterase
C0008429
butyrylcholinesterase