This Festschrift volume in honor of Professor Alexander Karczmar is the outcome of a three-day symposium entitled "Neurobiology of Acetylcholine" held at Loyola University Medical Center from June 3 to 5, 1985. This volume serves two purposes. It expresses the respect and admiration of the contributors to Alex Karczmar, and it provides a forum for detailing recent advances in the cholinergic field which has attracted the undivided and untiring attention of Dr. Karczmar over some 40 years. During this period, the cholinergic system has grown from its infancy to become one of the most studied...