Bilateral symmetry

Bilateral symmetry

A type of symmetry in which an organism's body possesses two equal halves that are symmetrical when compared on either side of a midline. Most animals exhibit bilateral symmetry.

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Part of Speech: noun
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Industry/Domain: Zoology
Category: Zoological terms
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Related terms

bilateral symmetry

Natural environment; Coral reefs

A bilaterally symmetric organism is one that is symmetric about a plane running from its frontal end to its caudal end (head to tail), and has nearly identical right and left ...

bilateral symmetry

Biology; Cell biology

In animals, refers to those that have a single axis of symmetry.

bilateral symmetry

Biology; Biodiversity

An arrangement of parts in a living thing in which the body is divided into two equal halves.

bilateral symmetry

Engineering; Electronic engineering

1. Exhibiting symmetry, with respect to a vertical line or plane. 2. For a network, having the property that if the input and output are reversed, the circuit behavior remains ...

bilateral symmetry

Archaeology; Human evolution

Anatomical features for which the right and left sides are close to being mirror images of one another.

bilateral symmetry

Biology; Ecology

Body divisibility into mirror-image halves (right and left arms and legs, for example). Animals with bilateral symmetry display dorsal (top), ventral (bottom), anterior (front), ...

phylum placozoa

Zoology; Zoological terms

Macroscopic, flattened marine animals, composed of ventral and dorsal epithelial layers enclosing loose mesenchyme-like cells.

phylum cnidaria

Zoology; Zoological terms

Cnidarians. Hydras, hydroids, jellyfish, sea anemones, and corals. Free-swimming or sessile, with tentacles surrounding the mouth. Specialized cells bearing stinging oraganoids ...