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Definition of Pupillary sphincter
1. Noun. A ring of smooth muscle surrounding the iris.
Group relationships: Eye, Oculus, Optic
Generic synonyms: Anatomical Sphincter, Sphincter, Sphincter Muscle
Lexicographical Neighbors of Pupillary Sphincter
Literary usage of Pupillary sphincter
Below you will find example usage of this term as found in modern and/or classical literature:
1. Relations of Diseases of the Eye to General Diseases: Forming a by Max Knies (1895)
"There appears to be no direct influence of the cerebral cortex upon the pupillary
sphincter. It cannot be stimulated voluntarily, apart from the associated ..."
2. Diseases of the nervous system by Smith Ely Jelliffe, William Alanson White (1917)
"(See chapters on Psychoneuroses and Psychoses. ) Special Pathology.—Eye
Sympathetic.—The ciliary, pupillary sphincter and dilator muscles, ..."
3. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1899)
"In addition, he assumed a degenerated condition of the smooth muscle fibres of
the pupillary sphincter, producing in them a state of exaggerated ..."
4. Progressive Medicine by Hobart Amory Hare (1901)
"... is also inclined to regard the phenomenon as a result of the weakening of the
tone of the pupillary sphincter. In discussing the changes which occur in ..."
5. Diseases of the eye and disorders of speech in childhood by Oskar Everbusch, Max Nadoleczny (1914)
"The pupillary sphincter is continued into the margins of a true congenital coloboma
of the iris, while in an acquired coloboma of the iris—traumatic or ..."
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