radial symmetry

radial symmetry
a basic body plan in which the organism can be divided into similar halves by passing a plane at any angle along a central axis, characteristic of sessile and bottom-dwelling animals, as the sea anemone and starfish. Cf. bilateral symmetry.
[1885-90]

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Universalium. 2010.

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  • Radial symmetry — Radial Ra di*al (r[=a] d[i^]*al), a. [Cf. F. radial. See {Radius}.] Of or pertaining to a radius or ray; consisting of, or like, radii or rays; radiated; as, (Bot.) radial projections; (Zo[ o]l.) radial vessels or canals; (Anat.) the radial… …   The Collaborative International Dictionary of English

  • radial symmetry — n the condition of having similar parts regularly arranged around a central axis radially symmetrical adj * * * symmetry in which the body parts are arranged regularly around a central axis …   Medical dictionary

  • radial symmetry — noun the property of symmetry about an axis the starfish illustrates radial symmetry • Ant: ↑radial asymmetry • Hypernyms: ↑symmetry, ↑symmetricalness, ↑correspondence, ↑balance …   Useful english dictionary

  • radial symmetry — noun A form of symmetry, arranged equally in all directions from a central point, thus any plane through the central point will divided into mirror image pieces. A circle has radial symmetry, a square does not. See Also: symmetry, bilateral… …   Wiktionary

  • radial symmetry —   Symmetry along many longitudinal planes all passing through a central axis, e.g. the leaves of a flush …   Expanded glossary of Cycad terms

  • radial symmetry — noun chiefly Biology symmetry about a central axis, as in a starfish …   English new terms dictionary

  • radial symmetry — ra′dial sym′metry n. dvl bio a basic body plan in which the organism can be divided into similar halves by passing a plane at any angle along a central axis Compare bilateral symmetry • Etymology: 1885–90 …   From formal English to slang

  • radial symmetry — noun Date: 1872 the condition of having similar parts regularly arranged around a central axis • radially symmetrical adjective …   New Collegiate Dictionary

  • Radial — Ra di*al (r[=a] d[i^]*al), a. [Cf. F. radial. See {Radius}.] Of or pertaining to a radius or ray; consisting of, or like, radii or rays; radiated; as, (Bot.) radial projections; (Zo[ o]l.) radial vessels or canals; (Anat.) the radial artery.… …   The Collaborative International Dictionary of English

  • Symmetry — Sym me*try, n. [L. symmetria, Gr. ?; sy n with, together + ? a measure: cf. F. sym[ e]trie. See {Syn }, and {Meter} rhythm.] 1. A due proportion of the several parts of a body to each other; adaptation of the form or dimensions of the several… …   The Collaborative International Dictionary of English

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