using immunohistofluorescence technique , we have localized within fast blue-labeled neurons immunostainings for enkephalins ( met-enkephalin , met-enkephalin-arg6-gly7-leu8 ) , dynorphins ( alpha-neo-endorphin , dynorphin 1-17 ) or choline acetyltransferase ( chat ) .
C0014298
enkephalins
C0014295
met-enkephalin