title: Is the loss of cerebral cortical choline acetyl transferase activity in Alzheimer's disease due to degeneration of ascending cholinergic nerve cells.
mesh_terms: D000368:Aged; D000544:Alzheimer Disease / Q000201:enzymology*; D002795:Choline O-Acetyltransferase / Q000378:metabolism*; D002799:Cholinergic Fibers / Q000201:enzymology*; D003704:Dementia / Q000201:enzymology*; D006801:Humans; D009410:Nerve Degeneration; D009474:Neurons / Q000201:enzymology
chemical_list: D002795:Choline O-Acetyltransferase