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Medical Definition of Diving reflex
1. A reflex by which immersing the face or body in water, especially cold water, tends to cause bradycardia and peripheral vasoconstriction; mean aortic pressure is little affected because the reduction in cardiac output tends to balance the increased peripheral resistance that reduces peripheral blood flow. Although relatively minor in most humans, the changes can be profound in some diving species of animal, e.g., ducks and seals. (05 Mar 2000)
Lexicographical Neighbors of Diving Reflex
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