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amniote

   Also found in: Medical, Encyclopedia, Wikipedia 0.03 sec.
am·ni·ote  (mn-t)
n.
Any of a group of vertebrates that have an amnion during embryonic development, including reptiles, birds, and mammals.
[From New Latin amnita, amniotes, from Greek amnin, amnion (influenced by amniotic).]
amniote  (mn-t)
Any of the vertebrates that have an amnion during embryonic development. Reptiles, birds, and mammals are amniotes.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.amniote - any member of the Amniota
craniate, vertebrate - animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium
Amniota - higher vertebrates (reptiles, birds and mammals) possessing an amnion during development
amnion, amnios, amniotic sac - thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)
chorion - the outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and mammals)


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? Mentioned in ? References in periodicals archive
 
Our evolutionary roots--the amniota-began a great divergence when a few amniotes crawled out of a primordial sea and left their finned relatives behind.
The atomic fish: the rising controversy of genetically modified pets by Gill, Tony / The Humanist
It is probable that this better means of expelling carbon dioxide allowed these creatures to become fully independent from the water and contributed to the development of the amniote egg, which was integral to the transition from amphibian to reptile.
Phylogeny and embryology of the facial nerve and related structures. ... by Selber, Jesse C. / Ear, Nose and Throat Journal
Casineria pulls back the origin of amniote lineages much farther than was previously realized.
Out of the Swamps by MONASTERSKY, RICHARD / Science News
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