Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Constriction of the pupil of the eye, resulting from a normal response to an increase in light or caused by certain drugs or pathological conditions.
from The Century Dictionary.
- noun Diminution.
- noun In cytology, the reduction-process in organisms, including mitapsis (or synapsis) and the subsequent heterotypic and homotypic divisions. This process results in reducing to one half the number of chromosomes in the nuclei. Farmer and Moore. Improperly spelled
maiosis . - noun Used by error or substitution for myosis.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Contraction of the
pupil of the eye.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- 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)
- 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
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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A lot of new characters and situations to keep up with on Private Practice, as the practices divide like miosis.
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Lomb Inc. The drug has two-thirds of the U.S. sales for the class of prescription drugs used to induce miosis, or constriction of the pupil.
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DenverPost.com - Diane Carman:Quick: Define miosis and mitosis.
Archive 2005-08-01 2005
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Severe miosis and the reduced ability to see in dim light can persist for 48 hours after onset.
FM 7-98 Appendix F - Uses of Mission-Oriented Protectiive Posture United States Army 1992
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Commanders must identify personnel performing critical tasks dependent on night vision and initiate precautions to minimize miosis:
FM 7-98 Appendix F - Uses of Mission-Oriented Protectiive Posture United States Army 1992
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They should disperse in the open air and use the buddy system to observe for possible miosis symptoms.
FM 7-98 Appendix F - Uses of Mission-Oriented Protectiive Posture United States Army 1992
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With the start of regeneration of the oculomotor nerve the Ac.Ch. appears again, but in too small quantities to cause miosis with light stimulus alone, i.e. without the increased activity provided by eserine.
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Pharmacokinetics and pharmacodynamics were measured through serial blood samples and observations of cold pressor test response, as well as pupillometry to determine opioid-induced miosis of drug effect and exposure over time.
unknown title 2011
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The syndrome consists of poor pupillary dilation, progressive intraoperative miosis with billowing of the iris, and increased risk of iris prolapse through the corneal sections.
Latest headlines from BMJ L. L. J. Howe 2010
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On maintenance doses of dope, the only sure external signs of intoxication are miosis, or pinpointing of the pupils, and a Lauren
Chicago Reader 2010
hernesheir commented on the word miosis
I can see it in your eye.
How'd you lose the other one by the way?
January 4, 2012