six human control brains and three parkinsonian brains were sectioned coronally and analyzed for their anteroposterior distribution of choline acetyltransferase ( chat ) activity and number of muscarine- ( [ 3h ] -qnb ) and nicotine- ( [ 3h ] -nicotine ) like receptors in caudate nucleus , putamen , and hippocampus .
C0006104
brains
C0870814
caudate nucleus