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Definition of Bilaterally symmetrical
1. Adjective. Capable of division into symmetrical halves by only one longitudinal plane passing through the axis.
Category relationships: Biological Science, Biology
Antonyms: Actinomorphic
2. Adjective. Having identical parts on each side of an axis.
Similar to: Symmetric, Symmetrical
Derivative terms: Bilaterality
Lexicographical Neighbors of Bilaterally Symmetrical
Literary usage of Bilaterally symmetrical
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Encyclopedia Americana: A Library of Universal Knowledge (1918)
"... the same time one of the secondary axes elongates, becoming tfa principal axis
of the adult, and the body : comes bilaterally symmetrical with referen. ..."
2. The Practitioner by Gale Group, ProQuest Information and Learning Company (1902)
"The main incidence of the disease tends towards the more dependent parts of the
lungs, and is very frequently bilaterally symmetrical. ..."
3. College zoology by Robert William Hegner (1918)
"Triploblastic ; bilaterally symmetrical; possess a tubular digestive system with an
... Triploblastic; bilaterally symmetrical; anus and coelom present; ..."
4. The Doctrine of Formal Discipline in the Light of Experimental Investigation by Nellie Priscilla Hewins (1916)
"Data derived from experimentation in regard to the effect of the training of one
organ upon the bilaterally symmetrical one, or closely related member, ..."
5. Science by American Association for the Advancement of Science (1897)
"first bilaterally symmetrical division in the egg (58-cell stage) is the ...
The first bilaterally symmetrical division of the mesoblast occurs at the ..."
6. Principles of Animal Biology by Aaron Franklin Shull, George Roger Larue, Alexander Grant Ruthven (1920)
"The snail with its coiled shell is asymmetrical but the body is built on a
bilaterally symmetrical plan which has been subsequently modified by twisting. ..."
7. Zoölogical Bulletin (1898)
"The second bilaterally symmetrical division in the egg occurs in the largest
derivative of X at the 70-cell stage. It is followed immediately by the ..."