pseudovumn.

Brit.

/s(j)uːˈdəʊvəm/, U.S.

/suˈdoʊv(ə)m/

Inflections: Plural pseudova.

Origin: Formed within English, by compounding. Etymons: pseudo- comb. form, ovum n.

Etymology: < pseudo- comb. form + ovum n. Compare slightly later pseudovarium n.

Zoology. Now rare.

An ovum that can develop without fertilization, as produced by some aphids and gall midges.

ΘΚΠ

the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > ovum or ootid > types of ovum

wind-egg1398

water egg1577

hypenemy1668

wormseed1733

pseudovum1858

unfertile1891

the world > animals > invertebrates > phylum Arthropoda > class Insecta > eggs or young > [noun] > egg(s) > pseudovum

pseudovum1858

1858 T. H. Huxley in Notices Proc. Royal Inst. Great Brit. 536 In the terminal chambers of this ‘Pseud-ovarium’, ovum-like bodies, thence called ‘pseud-ova’, are found.

1880 Amer. Naturalist 14 245 Although they are so like eggs, the pseudova differ by being capable of developing into a complete animal without impregnation.

1901 Geogr. Jrnl. 17 286 A few male Daphniæ were observed in the December gathering..; females with pseudova were frequent in all the gatherings.

1914 R. W. Hegner Germ-cell Cycle in Animals viii. 224 When the pseudovum in the pædogenetic larva of Miastor contains twelve to fifteen nuclei, one of these..gives rise to the pole-cells.

Derivatives

pseuˈdoval adj. rare relating to or containing pseudova.

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Insecta > eggs or young > [adjective] > relating to pseudova

pseudoval1859

1859 T. H. Huxley in Trans. Linn. Soc. 1858 22 201 The pseudoval endoplast divides and subdivides, so as to give rise to the endoplasts of the germ.

1877 T. H. Huxley Man. Anat. Invertebr. Animals vii. 383 It tears the pseudoval sac.

This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022).

单词	pseudovum
释义	pseudovumn. Brit. /s(j)uːˈdəʊvəm/, U.S. /suˈdoʊv(ə)m/ Inflections: Plural pseudova. Origin: Formed within English, by compounding. Etymons: pseudo- comb. form, ovum n. Etymology: < pseudo- comb. form + ovum n. Compare slightly later pseudovarium n. Zoology. Now rare. An ovum that can develop without fertilization, as produced by some aphids and gall midges. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > ovum or ootid > types of ovum wind-egg1398 water egg1577 hypenemy1668 wormseed1733 pseudovum1858 unfertile1891 the world > animals > invertebrates > phylum Arthropoda > class Insecta > eggs or young > [noun] > egg(s) > pseudovum pseudovum1858 1858 T. H. Huxley in Notices Proc. Royal Inst. Great Brit. 536 In the terminal chambers of this ‘Pseud-ovarium’, ovum-like bodies, thence called ‘pseud-ova’, are found. 1880 Amer. Naturalist 14 245 Although they are so like eggs, the pseudova differ by being capable of developing into a complete animal without impregnation. 1901 Geogr. Jrnl. 17 286 A few male Daphniæ were observed in the December gathering..; females with pseudova were frequent in all the gatherings. 1914 R. W. Hegner Germ-cell Cycle in Animals viii. 224 When the pseudovum in the pædogenetic larva of Miastor contains twelve to fifteen nuclei, one of these..gives rise to the pole-cells. Derivatives pseuˈdoval adj. rare relating to or containing pseudova. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > eggs or young > [adjective] > relating to pseudova pseudoval1859 1859 T. H. Huxley in Trans. Linn. Soc. 1858 22 201 The pseudoval endoplast divides and subdivides, so as to give rise to the endoplasts of the germ. 1877 T. H. Huxley Man. Anat. Invertebr. Animals vii. 383 It tears the pseudoval sac. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022). < n.1858
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