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Definition of Miosis
1. Noun. (genetics) cell division that produces reproductive cells in sexually reproducing organisms; the nucleus divides into four nuclei each containing half the chromosome number (leading to gametes in animals and spores in plants).
Category relationships: Genetic Science, Genetics
Terms within: Anaphase, Cytokinesis, Karyokinesis, Metaphase, Prophase, Segregation, Telophase
Generic synonyms: Cell Division, Cellular Division
Specialized synonyms: Nondisjunction
Derivative terms: Meiotic
2. 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
Definition of Miosis
1. Noun. Contraction of the pupil of the eye. ¹
¹ Source: wiktionary.com
Definition of Miosis
1. excessive contraction of the pupil of the eye [n -OSES]
Medical Definition of Miosis
1.
Lexicographical Neighbors of Miosis
Literary usage of Miosis
Below you will find example usage of this term as found in modern and/or classical literature:
1. Text-book of Ophthalmology by Ernst Fuchs (1911)
"The greatest degree of spastic miosis is produced by the alkaloids which ...
Paralytic miosis is one of the most important symptoms of paralysis of the ..."
2. The Eye and Nervous System: Their Diagnostic Relations by William Campbell Posey, William Gibson Spiller (1906)
"In cases of miosis with loss of sensory reflex, mydriatics effect ... Abnormal miosis
with retention of light and convergence reflex ma} occur from abnormal ..."
3. A Manual of Pharmacology and Its Applications to Therapeutics and Toxicology by Torald Hermann Sollmann (1922)
"They consist in dyspnea; tremors and convulsions; miosis; debility and paralysis
of certain muscle groups, especially the neck; abolition of certain ..."
4. Diseases of the eye by George Edmund De Schweinitz (1916)
"If the miosis is of cerebral origin, it indicates an early irritative ...
Systematic writers have divided contraction of the pupil into irritation miosis, ..."
5. A Handbook of the diseases of the eye and their treatment by Henry Rosborough Swanzy (1897)
"Either cause alone would produce a medium miosis ; a combination of the two ...
Irritation miosis, according to Leeser,.is not usually increased by the ..."
6. Review of the Department of Defense Research Program on Low-Level Exposures by Best, Committee on Toxicology, NetLibrary, Inc, National Research Council, National Academy of Sciences (2005)
"Although miosis typically has been considered the critical effect and most frequently
... (2003) found that mastication consistently preceded miosis and ..."
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