mydriasis

/maɪˈdraɪəsəs/
IPA guide

Definitions of mydriasis
  1. noun
    reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs
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    type of:
    dilatation, dilation
    the act of expanding an aperture
    inborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, reflex action, reflex response, unconditioned reflex
    an automatic instinctive unlearned reaction to a stimulus
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