extrusion reflex


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ex·tru·sion re·flex

(eks-trū'zhŭn rē'fleks)
When a spoon is put into an infant's mouth, the tongue automatically thrusts forward.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

extrusion reflex

An infantile reflex in which the tongue moves outward after it has been touched. It is present from birth to 4 months.
See also: reflex
Medical Dictionary, © 2009 Farlex and Partners