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an unlearned or instinctive reflex, such as sucking, which is present at birth.
Synonym(s): inborn reflex
Farlex Partner Medical Dictionary © Farlex 2012
innate reflexany behavioural response, such as a reflex action (see REFLEX ARC), that is automatic and not learned.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005