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mydriasis

DEFINITIONS OF: mydriasis

1

n reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs

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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