amniote

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am·ni·ote

(ăm′nē-ōt′)

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

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

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

amniote

(ˈæmnɪəʊt)

(Zoology) any vertebrate animal, such as a reptile, bird, or mammal, that possesses an amnion, chorion, and allantois during embryonic development. Compare anamniote

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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Noun

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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References in periodicals archive ?

Scientists believe the first amphibious animals emerged on land 350 million years ago and the first amniotes emerged around 310 million years ago.

Robot recreates the walk of a 290-million-year-old creature

These were the first amniotes, the progenitors of all later reptiles, dinosaurs, birds, and mammals.

Fifteen Steps to Forever: Use these well-know observing targets as incremental stepping stones into the cosmic past

Cytogenetic analysis of metaphase chromosomes is performed on metaphase-stage fetal cells on amniotes creating unique banding patterns on the chromosomes.

Segmental duplication-quantitative fluorescent-polymerase chain reaction: An approach for the diagnosis of Down syndrome in India/Segmental duplikasyon-kantitatif floresan polimeraz zincir reaksiyonu: Hindistan'da Down sendromu tanisina yonelik bir yaklasim

Early mesozoic coexistence of amniotes and hepadnaviridae.

New Avian Hepadnavirus in Palaeognathous Bird, Germany

Cut, copy, move, delete: The study of human interferon genes reveal multiple mechanisms underlying their evolution in amniotes. Cytokine, 76: 480-495.

Transcription of Dynein Heavy Chain 9 (DNAH9) in Paralichthys olivaceus: Insights into the Evolution of the DNAH9 Gene

Early amniotes (marine invertebrates) diversified into the ancestors of mammals, turtles, crocodiles, dinosaurs, reptiles and birds.

Ngalak koora koora djinang (looking back together): a Nyoongar and scientific collaborative history of ancient Nyoongar boodja

Comparative anatomical study of the kidney position in amniotes using the origin of the renal artery as a landmark.

Morphometry and Vascularization of the Rabbit Kidneys (Oryctolagus cuniculus)/Morfometria y Vascularizacion del Rinon de Conejo (Oryctolagus cuniculus)

Some of these genes are also crucial in digit formation in amniotes, a group including reptiles, mammals and birds but not amphibians.

Regeneration was once widespread: ancient amphibians regrew limbs like salamanders do

The project she presented at SACNAS was titled, "Evaluating the Link Between Physiology and Melanin-Based Color Diversity in Amniotes."

Seeking STEM support: SACNAS is dedicated to connecting underrepresented students to opportunities in science, technology, engineering and math

2015: Ultraconserved elements sequencing as a low-cost source of complete mitochondrial genomes and microsatellite markers in non-model amniotes. PLoS ONE 10: e0138446.