oospheren.

Brit.

/ˈəʊəsfɪə/, U.S.

/ˈoʊoʊˌsfɪ(ə)r/

Forms: 1800s– oosphere, 1800s– oösphere.

Origin: Formed within English, by compounding; modelled on a French lexical item. Etymons: oo- comb. form, sphere n.

Etymology: < oo- comb. form + sphere n., after French oosphère (G. A. Thuret 1854). Compare German Oosphäre (1873 or earlier).

Botany and Mycology.

A female gamete, esp. of an alga or fungus.

ΘΚΠ

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

ovum1672

ovulum1698

ovule1762

ovigerm1851

ovicell1869

oosphere1875

ootid1898

the world > plants > part of plant > reproductive part(s) > spore or sporule > cryptogam or plant having spores > [noun] > parts of > cells > reproductive cell or gamete > female gamete or sac containing

oospore1865

oosporange1867

oosphere1875

oosperm1892

1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. 212 Oogonia are cells in which the female reproductive bodies or Oospheres are formed.

1893 Proc. Royal Soc. 53 44 The yellow pigment accompanying the antherozooids and oöspheres of Fucus as they ooze from the conceptacles at low tide probably serves as a colour screen.

1930 H. M. Fitzpatrick Lower Fungi vii. 153 As soon as the oospheres are differentiated the antheridia form delicate fertilization tubes.

1969 New Phytologist 68 752 The formation of an oogonium in which there is cleavage or rearrangement of the oogonial protoplasm to form one or more oospheres.

1998 L. Margulis & K. V. Schwartz Five Kingdoms (ed. 3) ii. 168/1 Most oospheres are uninucleate.

This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022).

单词	oosphere
释义	oospheren. Brit. /ˈəʊəsfɪə/, U.S. /ˈoʊoʊˌsfɪ(ə)r/ Forms: 1800s– oosphere, 1800s– oösphere. Origin: Formed within English, by compounding; modelled on a French lexical item. Etymons: oo- comb. form, sphere n. Etymology: < oo- comb. form + sphere n., after French oosphère (G. A. Thuret 1854). Compare German Oosphäre (1873 or earlier). Botany and Mycology. A female gamete, esp. of an alga or fungus. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > ovum or ootid ovum1672 ovulum1698 ovule1762 ovigerm1851 ovicell1869 oosphere1875 ootid1898 the world > plants > part of plant > reproductive part(s) > spore or sporule > cryptogam or plant having spores > [noun] > parts of > cells > reproductive cell or gamete > female gamete or sac containing oospore1865 oosporange1867 oosphere1875 oosperm1892 1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. 212 Oogonia are cells in which the female reproductive bodies or Oospheres are formed. 1893 Proc. Royal Soc. 53 44 The yellow pigment accompanying the antherozooids and oöspheres of Fucus as they ooze from the conceptacles at low tide probably serves as a colour screen. 1930 H. M. Fitzpatrick Lower Fungi vii. 153 As soon as the oospheres are differentiated the antheridia form delicate fertilization tubes. 1969 New Phytologist 68 752 The formation of an oogonium in which there is cleavage or rearrangement of the oogonial protoplasm to form one or more oospheres. 1998 L. Margulis & K. V. Schwartz Five Kingdoms (ed. 3) ii. 168/1 Most oospheres are uninucleate. This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022). < n.1875
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