Definition of Amniota

1. Noun. Higher vertebrates (reptiles, birds and mammals) possessing an amnion during development.

Group relationships: Craniata, Subphylum Craniata, Subphylum Vertebrata, Vertebrata
Generic synonyms: Craniate, Vertebrate
Member holonyms: Amniote
Category relationships: Mammal, Mammalian



Definition of Amniota

1. n. pl. That group of vertebrates which develops in its embryonic life the envelope called the amnion. It comprises the reptiles, the birds, and the mammals.

Definition of Amniota

1. Noun. (biology) The reptiles, birds and mammals, collectively, all of which have an amnion during development. ¹

¹ Source: wiktionary.com

Medical Definition of Amniota

1. That group of vertebrates which develops in its embryonic life the envelope called the amnion. It comprises the reptiles, the birds, and the mammals. Origin: NL. See Amnion. Source: Websters Dictionary (01 Mar 1998)

Amniota Pictures

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Lexicographical Neighbors of Amniota

amnion nodosum
amnion ring
amnionic
amnionic fluid
amnionitis
amnions
amnioreduction
amnioreductions
amniorrhexis
amniorrhoea
amnios
amnioscope
amnioscopes
amnioscopies
amnioscopy
amniota (current term)
amniote
amniotes
amniotic
amniotic amputation
amniotic band syndrome
amniotic cavity
amniotic corpuscle
amniotic duct
amniotic ectoderm
amniotic fluid
amniotic fluid embolism
amniotic fluid embolisms

Literary usage of Amniota

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Treatise on Comparative Embryology by Francis Maitland Balfour (1881)
"... the amniota, but present in the larvae of all other forms. This coincidence, on the principles already laid down in a previous chapter on larval forms, ..."

2. The Evolution of Man: A Popular Exposition of the Principal Points of Human by Ernst Heinrich Philipp August Haeckel (1897)
"Chief Group of the Amnion Animals, or amniota (Reptiles, Birds, and Mammals).—Descent of all the amniota from a Common Lizard-like Parent-form ..."

3. Elements of the Comparative Anatomy of Vertebrates by Robert Wiedersheim, William Newton Parker (1897)
"... which somewhat resembles that of the formation of a decidua in placental Mammals (p. 340). II. amniota. In all the amniota, as already mentioned (pp. ..."

4. Elements of Comparative Anatomy by Carl Gegenbaur (1878)
"Branchial Clefts, and Palate of the amniota. § 410. In the amniota, also, the arrangement which has been transmitted from their ..."

5. The Evolution of Man: A Popular Exposition of the Principal Points of Human by Ernst Heinrich Philipp August Haeckel (1879)
"Chief Group of the Amnion Animals, or amniota (Reptiles, Birds, and Mammals).—Descent of all the amniota from a Common Lizard-like Parent-form ..."

6. A Manual of Zoology by Richard Hertwig (1912)
"amniota. Vertebrates with amnion and allantois (p. 490) in embryonic life; with the pro- and mesonephros functional only in the embryos, and replaced in the ..."

7. Journal of Anatomy and Physiology by Anatomical Society of Great Britain and Ireland (1892)
"... AND PHALANGEAL VARIATION IN THE amniota. By GB HOWES, Assistant Professor of Zoology, Royal Coll. Sci. Lond., and JP HILL. I. Special. ..."

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