startle reflex

startle reflex definition - medical

startle reflex

noun
  1. The reflex response of an infant in which the limb and neck muscles contract when the infant is allowed to drop a short distance or is startled by a sudden noise or jolt. Also called Moro's reflex, parachute reflex.
  2. See cochleopalpebral reflex.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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