histochemical study of the distribution of cholinesterases in the cat medulla oblongata reveals that all neurones in the dorsal motor nucleus of the vagus ( dmv ) contain true cholinesterase ( ache ) but , while most contain this enzyme alone , a small proportion of cells contain pseudocholinesterase ( buche ) as well .
C0001044
true cholinesterase
C0008429
pseudocholinesterase