radial symmetry


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symmetry

 [sim´ĕ-tre]
correspondence in size, form, and arrangement of parts on opposite sides of a plane, or around an axis. adj., adj symmet´rical.
bilateral symmetry the configuration of an irregularly shaped body (such as the human body or that of higher animals) that can be divided by a longitudinal plane into halves that are mirror images of each other.
radial symmetry that in which the body parts are arranged regularly around a central axis.

radial symmetry

n.
Symmetrical arrangement of constituents, especially of radiating parts, about a central point.

radially symmetrical adj.

radial symmetry

an animal body structure in which any section through the mouth and down the body length divides the body into identical halves. Coelenterates, ctenophores (sea gooseberries) and echinoderms are all radially symmetrical. Compare BILATERAL SYMMETRY.
References in periodicals archive ?
'Fast radial symmetry for detecting points of interest, 'IEEE Trans.
significantly from the almost perfect radial symmetry of the regular
urchins, miocidarids displayed nearly perfect radial symmetry, and a
Origins of radial symmetry identified in an echinoderm during adult development and the inferred axes of ancestral bilateral symmetry.
I told them that each student in the class would be making a circular design that had a variety of patterns--which is an example of radial symmetry. They were very excited when they learned that their individual pieces would be included in a larger mural-type installation inspired by Matt's mural composition.
Review radial symmetry. Have students contribute to a chalkboard drawing of a sun.
The young artists talked with each other a lot during this process, and helped check each other's work for proper presentation of radial symmetry. After review, each student picked the design he or she liked the best and drew it on his or her shield in pencil.
Radial symmetry or balance is a form of symmetrical balance in which the elements of a composition radiate from a central axis in a regular repeating pattern.
THE SECOND-GRADERS WERE LEARNING RADIAL SYMMETRY in math, so we would create a design with four sides, per their classroom teachers' requests.
* use texture, proportion, value and radial symmetry.
DISCUSSING RADIAL SYMMETRY Before drawing the details, students first drew their four circles to make sure they had four distinguishably sized suns.
Some of our rectangles had radial symmetry, while others achieved asymmetrical balance.