تعريف walter bradford cannon في الإنجليزية الإنجليزية القاموس.
born Oct. 19, 1871, Prairie du Chien, Wis., U.S. died Oct. 1, 1945, Franklin, N.H. U.S. neurologist and physiologist. He was the first to use X rays in physiological studies. He also investigated hemorrhagic and traumatic shock during World War I and worked on methods of blood storage. He researched the emergency functions of the sympathetic nervous system and homeostasis and sympathin, an epinephrine-like substance released by certain neurons. With Philip Bard he developed the Cannon-Bard theory, which proposed that emotional and physiological responses to external situations arise simultaneously and that both prepare the body to deal with the situation