bilateral symmetry

bilateral symmetry
bilat′eral sym′metry
n.
dvl bio 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
Etymology: 1850–55

From formal English to slang. 2014.

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  • bilateral symmetry — Symmetry such that a body or part can be divided through the longitudinal axis by one mediosagittal plane into equivalent right and left halves, each for all practical purposes a mirror image of the other; see radial symmetry …   Dictionary of invertebrate zoology

  • bilateral symmetry — noun Date: 1860 symmetry in which similar anatomical parts are arranged on opposite sides of a median axis so that only one plane can divide the individual into essentially identical halves …   New Collegiate Dictionary

  • bilateral symmetry — Biol. a basic body plan in which the left and right sides of the organism can be divided into approximate mirror images of each other along the midline. Cf. radial symmetry. [1850 55] * * * …   Universalium

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  • Symmetry (biology) — Bilateral symmetry redirects here. For bilateral symmetry in mathematics, see reflection symmetry. Symmetry in biology is the balanced distribution of duplicate body parts or shapes. The body plans of most multicellular organisms exhibit some… …   Wikipedia

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