different between symmetry vs bilaterian
symmetry
English
Etymology
From Latin symmetria, from Ancient Greek ????????? (summetría), from ????????? (súmmetros, “symmetrical”), from ??? (sún, “with”) + ?????? (métron, “measure”). Synchronically, syn- +? -metry.
Pronunciation
- (Received Pronunciation) enPR: s??m?tr?, IPA(key): /?s?m?t?i/
Noun
symmetry (countable and uncountable, plural symmetries)
- Exact correspondence on either side of a dividing line, plane, center or axis.
- The satisfying arrangement of a balanced distribution of the elements of a whole.
Related terms
- symmetric
Translations
References
symmetry From the web:
- what symmetry do sponges have
- what symmetry do cnidarians have
- what symmetry do echinoderms have
- what symmetry do jellyfish have
- what symmetry does a starfish have
- what symmetry do mollusks have
- what symmetry do arthropods have
- what symmetry do humans have
bilaterian
English
Etymology
Compare bilateral.
Noun
bilaterian (plural bilaterians or bilateria)
- (zoology) Any animal that has bilateral symmetry, collectively grouped in the clade Bilateria.
- 2007, J. W. Valentine, Seeing ghosts: Neoproterozoic bilaterian body plans, Patricia Vickers-Rich, Patricia Komarower (editors), The Rise and Fall of the Ediacaran Biota, [page 372],
- Lacking body cavities and both circulatory and excretory organs, with subepidermal nerve plexuses and 'brains' represented, if at all, by thickened anterior commissures, and with simple reproductive set-ups, acoels come close to representing a model stem ancestor for bilaterians.
- 2010, José Xavier-Neto, Marcos Sawada Simoes-Costa, Rodrigo Abe Castro, Hozana Andrade Castillo, Allysson Coelho Sampaio, Ana Paula Azambuja, Chapter 1.1: Evolutionary Origins of Hearts, Nadia Rosenthal, Richard P. Harvey (editors), Heart Development and Regeneration, Volume 1, page 12,
- In most bilaterians, the gut musculature and most vascular muscles derive from the mesoderm.
- 2007, J. W. Valentine, Seeing ghosts: Neoproterozoic bilaterian body plans, Patricia Vickers-Rich, Patricia Komarower (editors), The Rise and Fall of the Ediacaran Biota, [page 372],
Derived terms
- nonbilaterian
- prebilaterian
- urbilaterian
Translations
bilaterian From the web:
- what does bilateral mean
- what is bilateral in biology
- what is bilaterian definition
- what does bilateral mean in biology
- what does bilaterian
- what does non bilaterian mean
- what is non bilaterian
- what is the bilaterian ancestor
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