pupillary reflex

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A reflex resulting in change in the diameter of the pupil of the eye.

QUIZZES

Are you aware how often people swap around “their,” “there,” and “they’re”? Prove you have more than a fair grasp over these commonly confused words.

Question 1 of 7

Which one of these commonly confused words can act as an adverb or a pronoun?

But when a serial sex predator is playing fanboy, the gag reflex kicks in.
Sleazy Billionaire’s Double Life Featured Beach Parties With Stephen Hawking|M.L. Nestel|January 8, 2015|DAILY BEAST
Worry has become as automatic a reflex as breathing in your sleep.
The Israeli App Red Alert Saves Lives—but It Just Might Drive You Nuts|Itay Hod|July 15, 2014|DAILY BEAST
Then came the moment when a reflex born of a lifetime with a badge caused him to check the door window at the end of the car.
My Patrol With the NYPD’s Bill Bratton|Michael Daly|March 14, 2014|DAILY BEAST
He is quite a bundle of stimulus and reflex, with no reflection.
The Real Wolf of Wall Street: Jordan Belfort’s Vulgar Memoirs|Jimmy So|December 20, 2013|DAILY BEAST

The term Affluenza caused a national gag reflex—and as a doctor I can assure you that, no, Affluenza is not a real affliction.
No, Affluenza Is Not a Real Thing|Dr. Michelle K. London|December 16, 2013|DAILY BEAST
Even if I were to be shot, the reflex action of my fingers would pull the trigger of this revolver and McGinty will die.
Hooded Detective, Volume III No. 2, January, 1942|Various
The reflex excitability is lowered and the sensibility diminished.
A Statistical Inquiry Into the Nature and Treatment of Epilepsy|Alexander Hughes Bennett
It came, I think, out of just such an automatic reflex as causes an "opening" in conversation to call forth its own obvious reply.
In Accordance with the Evidence|Oliver Onions
The reflex action on his sensitive mind first stunned, and then warped his senses.
Etidorhpa or the End of Earth.|John Uri Lloyd
Such a physiological relation of things is termed reflex action.
Voice Production in Singing and Speaking|Wesley Mills