Wiktionary
n. 1 the property of being symmetrical about a vertical plane 2 (context biology English) the characteristic, in animals, of being symmetric about a plane running from head to tail
WordNet
n. the property of being symmetrical about a vertical plane [syn: bilaterality, bilateralism]
Usage examples of "bilateral symmetry".
Radial rather than bilateral symmetry would eliminate the left-hemisphere-right-hemi-sphere separation of the higher creatures on Earth.
The fact that we have two eyes is part of our bilateral symmetry, as is the fact that we have two ears, two arms, and two legs.
It emerges in the spring as S-2, a slender, dark-orange, many-legged carnivore with bilateral symmetry and a fierce appetite.
Higher species of animals display homeostasis, bilateral symmetry, disexuality, and endoskeletal body structure, with increasing cephalizaÂ.
Higher species of animals display homeostasis, bilateral symmetry, disexuality, and endoskeletal body structure, with increasing cephalization in the more highly evolved species.
This makes it quite likely that they will mark out a pattern with bilateral symmetry something like the Stickman.
It shouldn't even surprise that I'm a Jew and I'm blue and I have eleven arms thereby defying the Law of Bilateral Symmetry and I am squat and round and move very close to the ground by a series of caterpillar feet set around the rim of ball joints and sockets on either side of my tuchis which obeys the Law of Bilateral Symmetry and when I've wound the feet tight I have to jump off the ground so they can unwind and then I move forward again which makes my movement very peculiar I'm told by tourists without very much class.
Each was laid out in perfect bilateral symmetry, with windows, gingerbread, gables, and gardens all exactly matching.
The similarities are in more fundamental areas such as bilateral symmetry, bipedal locomotion, oxygen respiration—.
The similarities are in more fundamental areas such as bilateral symmetry, bipedal locomotion, oxygen respiration?
It possessed bilateral symmetry, paired eyes in a sort of face, and, obviously, some sort of central nerve pathway instead of a neural net.
Flounders and other flatfish on Earth start life with the usual bilateral symmetry, with an eye on either side, like free-swimming fish.
One variety is quite small -- little more than a meter in height -- with bilateral symmetry but quite variant skeletal structure and a definite reddish hue.