miosis

(redirected from mioses)
Also found in: Thesaurus, Medical, Encyclopedia.
Related to mioses: miosis

mi·o·sis

also my·o·sis (mī-ō′sĭs)
n. pl. mi·o·ses (-sēz) also my·o·ses
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.
[Greek mūein, to close the eyes + -osis.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

miosis

(maɪˈəʊsɪs) or

myosis

n, pl -ses (-siːz)
1. (Pathology) excessive contraction of the pupil of the eye, as in response to drugs
2. (Biology) a variant spelling of meiosis1
[C20: from Greek muein to shut the eyes + -osis]
miotic, myotic adj, n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

mi•o•sis

or my•o•sis

(maɪˈoʊ sɪs)

n.
excessive constriction of the pupil of the eye.
Compare mydriasis.
[1810–20; variant of myosis < Greek mý(ein) to shut (the eyes) + -osis]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

miosis, myosis

abnormal constriction of the pupil of the eye, caused by drugs or illness. Cf. mydriasis. — miotic, myotic, adj.
See also: Eyes
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.miosis - (genetics) cell division that produces reproductive cells in sexually reproducing organismsmiosis - (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)
meiosis, reduction division
genetic science, genetics - the branch of biology that studies heredity and variation in organisms
anaphase - the stage of meiosis or mitosis when chromosomes move toward opposite ends of the nuclear spindle
cell division, cellular division - the process in reproduction and growth by which a cell divides to form daughter cells
cytokinesis - organic process consisting of the division of the cytoplasm of a cell following karyokinesis bringing about the separation into two daughter cells
karyokinesis - organic process consisting of the division of the nucleus of a cell during mitosis or meiosis
metaphase - the second stage of meiosis
nondisjunction - meiosis in which there is a failure of paired homologous chromosomes to separate; results in an abnormal number of chromosomes in the daughter cells
prophase - the first stage of meiosis
segregation - (genetics) the separation of paired alleles during meiosis so that members of each pair of alleles appear in different gametes
telophase - the final stage of meiosis when the chromosomes move toward opposite ends of the nuclear spindle
2.miosis - reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smallermiosis - reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller
light reflex, pupillary reflex, myosis
inborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, reflex action, reflex response, unconditioned reflex - an automatic instinctive unlearned reaction to a stimulus
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

mi·o·sis

n. miosis, contracción excesiva de la pupila.
English-Spanish Medical Dictionary © Farlex 2012