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单词 paragamy
释义

paragamyn.

Origin: Formed within English, by derivation. Etymons: para- prefix1, -gamy comb. form.
Etymology: < para- prefix1 + -gamy comb. form. Compare paragenesis n. 2b, apogamy n. N.E.D. (1904) gives the pronunciation as (păræ·gămi) /pəˈræɡəmɪ/.
Biology. Obsolete. rare.
M. Hartog's term for: a mode of reproduction in which the nuclei which fuse to form the zygote nucleus lie in a continuous mass of cytoplasm, rather than in separate cells.
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the world > life > biology > biological processes > procreation or reproduction > types of reproduction > [noun] > others
adosculation1682
autogeny?1818
gemmation1836
parthenogenesis1849
virgin production1849
rejuvenescence1853
agamogenesis1857
monogeny1857
autogenesis1858
homogenesis1858
proliferation1864
monogenesis1866
swarming1867
paedogenesis1870
monogony1873
virginal generation1879
division1880
monogenesy1890
parthenogeny1890
anisogamy1891
isogamy1891
paragamy1891
separation1891
paedogenesis1892
parthenism1892
heterogamy1894
thelytoky1895
flagellation1898
cytogamy1899
pseudogamy1900
tychoparthenogenesis1900
syngamy1904
pseudogamy1907
ectogenesis1909
paedogamy1910
apomixis1913
progenesis1934
agamospermy1939
mixis1944
somatogamy1949
decapitation-
1891 M. Hartog in Nature 17 Sept. 484 Paragenesis will include the following modes, usually grouped under the term parthenogenesis, apogamy (pro parte), &c.:—A. True Parthenogenesis... B. Simulated Parthenogenesis... C. Metagametal Rejuvenescence... D. Paragamy or Endokaryogamy: vegetative or gametal nuclei lying in a continuous mass of cytoplasm fuse to form a zygote nucleus. 1. Progamic paragamy... 2. Apocytial paragamy.
This entry has been updated (OED Third Edition, June 2005; most recently modified version published online June 2018).
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n.1891
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