Arthur J. Freeman

Freeman, J

Arthur J . McCullough

abnormal function of the gastrointestinal tract, hepatobiliary system, and pancreas. It is published 12 times a year (monthly) by the publishes original articles pertaining to all aspects of research involving normal or AJP-Gastrointestinal and Liver Physiology

Arthur J. Viseltear: A Student's Elegy

Driving back from Professor Viseltear's funeral, a friend presented us with a paradox. By temperment and training that friend was a medical materialist; he believed in what he could see and study-in tissues and cells, molecules and atoms. Within such a world the spiritual seemed to have little foundation, and yet he wasn't ready to believe that with the ceasing of Professor Viseltear's heart hi...

Endogenous production of ammonia – charge question 1 – Arthur J

1). Endogenous production of ammonia: There are very many enzymecatalyzed reactions by which ammonia can be generated in vivo. For example, Cooper and Plum (1987) list at least seventeen enzyme-catalyzed reactions that can generate ammonia from amino acids and nucleotides in the brain. Considerable ammonia is generated in the gut from the action of bacteria on nitrogenous substance. In humans, ...

Freeman K-set

Figure 1: A. Topological hierarchy of K-sets, in which (+) means excitation and (means ns inhibition. B. Simulated impulse responses for open loop (interactions are suppressed by anesthesia), mutual excitation (KIe), and negative feedback (KII). C. Experimental open loop impulse response fitted with solution to an ODE representing the dynamics of an ensemble of neurons made non-interactive by a...