physiological reaction 1
noundomain: activity
Princeton WordNet [ver.3.1]
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EnglishDefinition
an automatic instinctive unlearned reaction to a stimulus
Hypernym
reaction 3
noun
a bodily process occurring due to the effect of some antecedent stimulus or agent
EnglishHyponym
reflex changes in the eyes that enable an object to be focused on the retina
Babinski 1
noun
extension upward of the toes when the sole of the foot is stroked firmly on the outer side from the heel to the front; normal in infants under the age of two years but a sign of brain or spinal cord injury in older persons
belch 1
noun
a reflex that expels gas noisily from the stomach through the mouth
blink 1
noun
a reflex that closes and opens the eyes rapidly
blush 2
noun
sudden reddening of the face (as from embarrassment or guilt or shame or modesty)
