bilateral symmetry


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bilateral symmetry

bilateral symmetry

n.
Symmetrical arrangement, as of an organism or a body part, along a central axis, so that the body is divided into equivalent right and left halves by only one plane.
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.

bilateral symmetry

n
(Biology) the property of an organism or part of an organism such that, if cut in only one plane, the two cut halves are mirror images of each other. See also radial symmetry
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

bilat′eral sym′metry


n.
a basic body plan in which the left and right sides of the organism can be divided into approximate mirror images of each other. Compare radial symmetry.
[1850–55]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

bi·lat·er·al symmetry

(bī-lăt′ər-əl)
Symmetrical arrangement of an organism or part of an organism along a central axis. A bilaterally symmetrical organism or part is divided into two equal halves. Compare radial symmetry.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.bilateral symmetry - the property of being symmetrical about a vertical planebilateral symmetry - the property of being symmetrical about a vertical plane
symmetricalness, symmetry, correspondence, balance - (mathematics) an attribute of a shape or relation; exact reflection of form on opposite sides of a dividing line or plane
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Faced with the perfect bilateral symmetry of my church's floor plan, I made the seismic shift across the aisle from starboard to port.
Although the bodies of these animals have a distinct top and bottom, they do not have distinguishable left and right sides--an arrangement, present in humans and other higher life forms, known as bilateral symmetry. This radial symmetry is essential to how the jellyfish moves and eats, Abrams indicates.
In this article, we describe our study to validate the work of Sim et al, (6) as well as to assess bilateral symmetry in the quantitative features in pairs of stapes and to determine the qualitative appearance of the footplates.
Echinoidea; Volume 2: Echinoidea With Bilateral Symmetry. Irregularia
The Chi-square test revealed no relationship between bilateral symmetry in root canal morphology and tooth position ( ?
For example, because all orchid species have flowers in which one half is the mirror image of the other ((https://www.livescience.com/28547-surprising-orchid-facts.html) bilateral symmetry ), we can suppose that their ancestor must have had bilateral flowers.
Disp., which suggests the bilateral symmetry maintained during closing and opening the jaw and also supported by J.
In a similar fashion, Sahibganj district has bilateral symmetry in its motifs.
Bilateral symmetry is a product of proper, uninterrupted development and occurs with the formation of two identical traits on either side of a central axis (M0ller and Swaddle, 1997; Graham et al., 2010; Savriama and Klingenberg, 2011; De Coster et al., 2013).
Fluctuating asymmetry is characterized by small random deviation from perfect bilateral symmetry [1,2].
The one that matters to his discussion of the hand is that between radial versus bilateral symmetry. Radial symmetry is embodied in the jellyfish, an animal that has maintained its morphology for millennia.

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