Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of numerous vertebrates of the group Amniota, characteristically having an amnion during embryonic development and including the reptiles, birds, and mammals.

from The Century Dictionary.

  • Possessing an amnion; amniotic.
  • noun A member of the Amniota.

from the GNU version of the Collaborative International Dictionary of English.

  • noun any member of the Amniota.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun biology Any of the Amniota group of vertebrates having an amnion during the development of the embryo; mammals, birds and reptiles.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun any member of the Amniota

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[From New Latin amniōta, amniotes, from Greek amniōn, amnion (influenced by amniotic).]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Scientific Latin Amniota.

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Examples

  • Impedance matching of the tympanic middle ear occurred very early in amniote evolution.

    A Decade Spanning Single Exchange 2008

  • Impedance matching of the tympanic middle ear occurred very early in amniote evolution.

    A Decade Spanning Single Exchange 2008

  • Mammary glands evolved in the mammalian lineage after mammals and frogs split from their amniote ancestor.

    About 'What Darwin Got Wrong' 2010

  • It was reasonable to assume that these mechanisms would account for embryo elongation, but the actual processes were unknown before the experiments of Bénazéraf and colleagues "A random cell motility gradient downstream of FGF controls elongation of an amniote embryo," Nature 8 July

    The Panda's Thumb: Development Archives 2010

  • It was reasonable to assume that these mechanisms would account for embryo elongation, but the actual processes were unknown before the experiments of Bénazéraf and colleagues "A random cell motility gradient downstream of FGF controls elongation of an amniote embryo," Nature 8 July

    The Panda's Thumb: August 2010 Archives 2010

  • It was reasonable to assume that these mechanisms would account for embryo elongation, but the actual processes were unknown before the experiments of Bénazéraf and colleagues "A random cell motility gradient downstream of FGF controls elongation of an amniote embryo," Nature 8 July

    The Panda's Thumb: Steve Matheson Archives 2010

  • A random cell motility gradient downstream of FGF controls elongation of an amniote embryo Nature, 466 7303, 248-252 DOI: 10.1038/nature09151

    Randomly growing an embryo. It can work. - The Panda's Thumb 2010

  • A random cell motility gradient downstream of FGF controls elongation of an amniote embryo Nature, 466 7303, 248-252 DOI: 10.1038/nature09151

    The Panda's Thumb: August 2010 Archives 2010

  • A random cell motility gradient downstream of FGF controls elongation of an amniote embryo Nature, 466 7303, 248-252 DOI: 10.1038/nature09151

    The Panda's Thumb: Steve Matheson Archives 2010

  • It was reasonable to assume that these mechanisms would account for embryo elongation, but the actual processes were unknown before the experiments of Bénazéraf and colleagues "A random cell motility gradient downstream of FGF controls elongation of an amniote embryo," Nature 8 July

    Randomly growing an embryo. It can work. - The Panda's Thumb 2010

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