allantoicadj.

Brit.

/ˌalənˈtəʊɪk/, U.S.

/ˌælənˈtoʊɪk/

Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: allantois n., -ic suffix.

Etymology: < allantois n. + -ic suffix, after French allantoïque (J. L. Lassaigne 1821, in Ann. de chim. et de physique 17 300).

Chiefly Embryology.

Of or relating to the allantois; designating the allantois. Cf. earlier allantoid adj. 1.

ΘΚΠ

the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > membranes, etc., of embryo or fetus > [adjective] > membranes enclosing

allantoid1730

amniotic1822

cotyledonal1850

amnic1855

allantoidean1857

chorial1879

cotyledonary1888

chorionic1892

allantoica1933

intra-amniotic1960

1831 T. Thomson Syst. Chem. (ed. 7) II. 168 Allantoic acid is obtained by evaporating the liquid of the allantois.

1850 C. G. B. Daubeny Introd. Atomic Theory (ed. 2) xi. 365 The allantoic fluid of the cow.

1880 T. H. Huxley in Nature 30 Dec. 203/2 The existing horse has a diffuse allantoic placentation.

a1933 J. A. Thomson Biol. for Everyman (1934) II. 1316 The allantoic foetal membrane, the stalk of which develops into the bladder.

1965 F. Gerrard Macgregor's Struct. Meat Animals (ed. 2) x. 186 As birth approaches, the allantoic sac nearly fills the unoccupied portion of the uterus.

2011 Vet. Microbiol. 147 20/2 After the initial passage in eggs, allantoic fluid was tested for virus using the haemagglutination assay.

This entry has been updated (OED Third Edition, September 2012; most recently modified version published online June 2022).

单词	allantoic
释义	allantoicadj. Brit. /ˌalənˈtəʊɪk/, U.S. /ˌælənˈtoʊɪk/ Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: allantois n., -ic suffix. Etymology: < allantois n. + -ic suffix, after French allantoïque (J. L. Lassaigne 1821, in Ann. de chim. et de physique 17 300). Chiefly Embryology. Of or relating to the allantois; designating the allantois. Cf. earlier allantoid adj. 1. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > membranes, etc., of embryo or fetus > [adjective] > membranes enclosing allantoid1730 amniotic1822 cotyledonal1850 amnic1855 allantoidean1857 chorial1879 cotyledonary1888 chorionic1892 allantoica1933 intra-amniotic1960 1831 T. Thomson Syst. Chem. (ed. 7) II. 168 Allantoic acid is obtained by evaporating the liquid of the allantois. 1850 C. G. B. Daubeny Introd. Atomic Theory (ed. 2) xi. 365 The allantoic fluid of the cow. 1880 T. H. Huxley in Nature 30 Dec. 203/2 The existing horse has a diffuse allantoic placentation. a1933 J. A. Thomson Biol. for Everyman (1934) II. 1316 The allantoic foetal membrane, the stalk of which develops into the bladder. 1965 F. Gerrard Macgregor's Struct. Meat Animals (ed. 2) x. 186 As birth approaches, the allantoic sac nearly fills the unoccupied portion of the uterus. 2011 Vet. Microbiol. 147 20/2 After the initial passage in eggs, allantoic fluid was tested for virus using the haemagglutination assay. This entry has been updated (OED Third Edition, September 2012; most recently modified version published online June 2022). < adj.1831
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