| NOUN | act | mydriasis | reflex pupillary dilation as a muscle pulls the iris outward |
|---|
| Meaning | reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs. | |
|---|---|---|
| Broader | dilation, dilatation | The act of expanding an aperture |
| reflex, reflex response, reflex action, instinctive reflex, innate reflex, inborn reflex, unconditioned reflex, physiological reaction | An automatic instinctive unlearned reaction to a stimulus | |
| Spanish | midriasis | |
| Catalan | midriasi, midriàtic | |
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