oogamousadj.

Brit.

/əʊˈɒɡəməs/, U.S.

/oʊˈ(w)ɑɡəməs/

Forms: 1800s– oogamous, 1800s– oögamous.

Origin: Formed within English, by compounding. Etymons: oo- comb. form, -gamous comb. form.

Etymology: < oo- comb. form + -gamous comb. form.

Biology.

Designating, relating to, or involving the union of dissimilar gametes, usually of a small motile male gamete and a larger non-motile female gamete.Chiefly used of algae and fungi.

ΘΚΠ

the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [adjective] > gametes

gametic1883

gametal1888

oogamous1888

progamic1891

heterogamous1895

gametoid1903

heterogametic1910

homogametic1910

pregamic1934

planogametic1957

1888 Athenæum 29 Dec. 886/2 The sexual cells being zoogametes..its affinity is rather with Pandorineæ than with oogamous Volvoceæ.

1897 New Sydenham Soc. Lexicon Reproduction, oögamous, reproduction by means of an ovum or ova.

1922 Bot. Gaz. 74 453 The Cyclosporales include all oogamous groups, and may show a reduction from a morphological to a mere cytological alteration of generations.

1955 Naturalist 89 344 Only with the concept of gamones do we acquire a physiological understanding of copulation, not only with regard to isogamous but also with regard to anisogamous and oogamous gametes.

1998 L. Margulis & K. V. Schwartz Five Kingdoms (ed. 3) ii. 181/1 Reproduction is oogamous: a large egg cell is formed in a special female organ, the oogonium, which bears a long neck that is receptive to the male gamete.

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

单词	oogamous
释义	oogamousadj. Brit. /əʊˈɒɡəməs/, U.S. /oʊˈ(w)ɑɡəməs/ Forms: 1800s– oogamous, 1800s– oögamous. Origin: Formed within English, by compounding. Etymons: oo- comb. form, -gamous comb. form. Etymology: < oo- comb. form + -gamous comb. form. Biology. Designating, relating to, or involving the union of dissimilar gametes, usually of a small motile male gamete and a larger non-motile female gamete.Chiefly used of algae and fungi. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [adjective] > gametes gametic1883 gametal1888 oogamous1888 progamic1891 heterogamous1895 gametoid1903 heterogametic1910 homogametic1910 pregamic1934 planogametic1957 1888 Athenæum 29 Dec. 886/2 The sexual cells being zoogametes..its affinity is rather with Pandorineæ than with oogamous Volvoceæ. 1897 New Sydenham Soc. Lexicon Reproduction, oögamous, reproduction by means of an ovum or ova. 1922 Bot. Gaz. 74 453 The Cyclosporales include all oogamous groups, and may show a reduction from a morphological to a mere cytological alteration of generations. 1955 Naturalist 89 344 Only with the concept of gamones do we acquire a physiological understanding of copulation, not only with regard to isogamous but also with regard to anisogamous and oogamous gametes. 1998 L. Margulis & K. V. Schwartz Five Kingdoms (ed. 3) ii. 181/1 Reproduction is oogamous: a large egg cell is formed in a special female organ, the oogonium, which bears a long neck that is receptive to the male gamete. This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022). < adj.1888
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