† anallantoidianadj.n.

Forms: 1800s anallantoidian, 1800s anallantoïdian.

Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: an- prefix², allantoidean adj.

Etymology: < an- prefix² + allantoidean adj., after French anallantoidien (H. Milne-Edwards 1844, in Ann. des sci. nat.: Zool. 1 89). O.E.D. Suppl. (1933) gives the pronunciation as (æ:næ̆læ̆ntoi·diăn) /ˌænælænˈtɔɪdɪən/.

Zoology. Obsolete. rare.

A. adj.

Relating to or designating vertebrates that have no allantois in the embryo, as in fishes and amphibians. Cf. allantoidean adj.

ΚΠ

1851 L. Agassiz & A. A. Gould Princ. Zoöl. (rev. ed.) x. 149 The scaly reptiles, (snakes, lizards, and turtles,) which have peculiar membranes surrounding and protecting the embryo during its growth. From one of these envelopes, the allantoïs,..is derived their common name of Allantoïdian Vertebrates, in opposition to the naked reptiles and fishes, which are called Anallantoïdian.

1859 Canad. Jrnl. July 279 The Anallantoidian embryo.

B. n.

An anallantoidian vertebrate.

ΘΚΠ

the world > animals > animal body > general parts > sexual organs and reproduction > [noun] > animal having no fetal membrane in embryo

anallantoidian1861

1861 R. T. Hulme tr. C. H. Moquin-Tandon Elements Med. Zool. ii. 11. 62 Anallantoidians [Fr. Anallantoïdiens]—Batrachia, Pisces, Myelairia.

This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2020).

单词	anallantoidian
释义	† anallantoidianadj.n. Forms: 1800s anallantoidian, 1800s anallantoïdian. Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: an- prefix², allantoidean adj. Etymology: < an- prefix² + allantoidean adj., after French anallantoidien (H. Milne-Edwards 1844, in Ann. des sci. nat.: Zool. 1 89). O.E.D. Suppl. (1933) gives the pronunciation as (æ:næ̆læ̆ntoi·diăn) /ˌænælænˈtɔɪdɪən/. Zoology. Obsolete. rare. A. adj. Relating to or designating vertebrates that have no allantois in the embryo, as in fishes and amphibians. Cf. allantoidean adj. ΚΠ 1851 L. Agassiz & A. A. Gould Princ. Zoöl. (rev. ed.) x. 149 The scaly reptiles, (snakes, lizards, and turtles,) which have peculiar membranes surrounding and protecting the embryo during its growth. From one of these envelopes, the allantoïs,..is derived their common name of Allantoïdian Vertebrates, in opposition to the naked reptiles and fishes, which are called Anallantoïdian. 1859 Canad. Jrnl. July 279 The Anallantoidian embryo. B. n. An anallantoidian vertebrate. ΘΚΠ the world > animals > animal body > general parts > sexual organs and reproduction > [noun] > animal having no fetal membrane in embryo anallantoidian1861 1861 R. T. Hulme tr. C. H. Moquin-Tandon Elements Med. Zool. ii. 11. 62 Anallantoidians [Fr. Anallantoïdiens]—Batrachia, Pisces, Myelairia. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2020). < adj.n.1851
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