Cannon, Walter B.

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Cannon, Walter B.

U.S. physiologist, 1871–1954.

Cannon ring

A contracted band of muscles in the transverse colon near the hepatic flexure.

fight-or-flight reaction of Cannon

The generalized response to an emergency situation. This includes intense stimulation of the sympathetic nervous system and the adrenal gland. The heart and respiratory rates, blood pressure, and blood flow to muscles are increased. This response prepares the body either to flee or to fight.


Walter B., U.S. physiologist, 1871-1945.
Bernard-Cannon homeostasis - see under Bernard, Claude
Cannon law - reaction of excessive sensitivity to chemical neurotransmitters in tissue with deficiency of autonomic supply.
Cannon point - the location in the midtransverse colon at which innervation by superior and inferior mesenteric plexuses overlap at the junction of the primitive midgut and hindgut. Synonym(s): Cannon ring
Cannon ring - Synonym(s): Cannon point
Cannon syndrome - perspiration and palpitations due to increased secretion of adrenalin.
Cannon theory - a theory of the emotions that animal and human organisms respond to emergency situations by increased sympathetic nervous system activity. Synonym(s): emergency theory
Cannon-Bard theory - the view that the feeling aspect of emotion and the pattern of emotional behavior are controlled by the hypothalamus.
References in periodicals archive ?
The monastery has acquired land through numerous donations and also takes over all property previously owned by monks; as ecclesiastical cannon law states that monks can not own liquid or fixed assets under their names.
Cannon law provided for ecclesiastical jurisdiction in certain matters including mercantile cases, which met the opposition of merchants.
Eric Flint and Andrew Dennis's 1633: THE CANNON LAW (1416509380, $26.
I believe that Cannon law - not God's law - is the order of the day at the Vatican.
Jean Ferrari of Ottawa is both a medical doctor and a student of cannon law.
David-Maria Jaeger, a canon lawyer and professor of cannon law at Jerusalem's Roman Pontifical Athenaeum, currently serving as judicial vicar of the Austin, Texas, diocese, called it "unfair to raise a hew and cry" over the election of Benjamin Netanyahu "in anticipation of what hasn't happened.