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Definition of Pupillary reflex
1. Noun. Reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller.
Generic synonyms: Inborn Reflex, Innate Reflex, Instinctive Reflex, Physiological Reaction, Reflex, Reflex Action, Reflex Response, Unconditioned Reflex
Derivative terms: Miotic, Myotic
Lexicographical Neighbors of Pupillary Reflex
Literary usage of Pupillary reflex
Below you will find example usage of this term as found in modern and/or classical literature:
1. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1911)
"Relation of the Anterior Region of the Corpora Quadrigemina to the pupillary reflex.
... pupillary reflex ..."
2. Manual of the diseases of the eye by Charles Henry May (1901)
"Visual and pupillary reflex Paths. L, Left eye; R, right eye: UN, optic nerve ;
LT, left optic tract ; RT, right optic tract; POO, primary optic ganglia; ..."
3. Annals of Ophthalmology (1904)
"In this condition, as the neuritis subsides, the visual fibres recover but very
imperfectly, but the pupillary reflex can become perfectly normal, ..."
4. Journal of Nervous and Mental Disease by Philadelphia Neurological Society, American Neurological Association, Chicago Neurological Society, New York Neurological Association (1903)
"The mechanism o* the pupillary reflex then would consist of the following ...
The pupillary reflex is, therefore, primarily dependent upon the anterior ..."
5. The Eye and Nervous System: Their Diagnostic Relations by William Campbell Posey, William Gibson Spiller (1906)
"The direct pupillary reflex will fail when light is thrown on that part of the
retina corresponding to an absolute scotoma in the field of vision, ..."
6. Atlas of the Nervous System: Including an Epitome of the Anatomy, Pathology by Christfried Jakob (1901)
"The pathologic alterations that occur are subject in general to the above-mentioned
principles. 3. The pupillary reflex.—The following varieties are ..."
7. Diseases of the Nervous System: A Text-book for Students and Practitioners by Hermann Oppenheim, Edward E. Mayer (1904)
"According to Bach, the pupillary reflex centre lies in the lowest segment of the
medulla oblongata or in the highest cervical segment. ..."
8. An Index of differential diagnosis of main symptoms by Herbert French (1918)
"Paradoxical pupillary reflex : pupils dilating under the stimulus of light. ...
Hemianopic pupillary reflex : lesions of the brain situated in the optic ..."
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