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anamniote

[an-am-nee-oht]
noun
  1. any of the vertebrates of the group Anamnia (Anamniota), comprising the cyclostomes, fishes, and amphibians, characterized by the absence of an amnion during the embryonic stage.
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Origin of anamniote

< New Latin Anamniota. See an-1, amniote
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for anamniote

anamniote

noun
  1. any vertebrate animal, such as a fish or amphibian, that lacks an amnion, chorion, and allantois during embryonic developmentCompare amniote
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Derived Formsanamniotic (ænˌæmnɪˈɒtɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012