zygoten.
/ˈzʌɪɡəʊt/, U.S. /ˈzaɪˌɡoʊt/ Biology.
A body of living protoplasm, as a cell or cell-nucleus, formed by the conjugation or fusion of two such bodies in reproduction; a zygospore, or any germ-cell resulting from the union of two reproductive cells or gametes. Also attributive or as adj. That is a zygote, formed by conjugation; of or pertaining to a zygote.
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the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > zygote or syngamete
zygote1891
zygotoid1891
syngametea1900
ookinete1902
1891 M. Hartog in Nature 17 Sept. 484 Paragamy or Endokaryogamy: vegetative or gametal nuclei lying in a continuous mass of cytoplasm fuse to form a zygote nucleus.
1895 F. W. Oliver et al. tr. A. Kerner von Marilaun Nat. Hist. Plants II. 628 The cell produced by the fusion of the bodies of two gametes is called the zygote.
Derivatives
zygotic adj.
Brit. /zʌɪˈɡɒtɪk/
, /zʌɪˈɡɒtɪk/U.S. /ˌzaɪˈɡɑdɪk/
pertaining to or of the nature of a zygote, produced or characterized by zygosis./ˌzaɪˈɡɑdɪk/ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [adjective] > zygote or syngamete
syngamic1904
syngamous1904
zygotic1909
1909 W. E. Castle Stud. Inheritance in Rabbits (Carnegie Inst. Publ. No. 114) 58 The enumeration of the conceivable different varieties of gray rabbit, all alike in appearance but all different in breeding capacity, i.e., of different zygotic formula.
1977 J. Cohen Reproduction ix. 163 The second phase of embryology begins, controlled by zygotic genes.
zyˈgotically adv. in the zygote; in terms of the zygote.
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the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [adverb] > zygote
zygotically1915
1915 Jrnl. Genetics 5 45 Zygotically therefore the three forms [of rabbit] may be represented thus: Self-coloured..CCSS, Himalayan..CCss, Albino..ccss.
1931 Jrnl. Genetics 24 448 It is probable that the new combinations will be less successful than the old, both zygotically and gametically.
1980 Genetics 96 187 The possibility that essential loci in the zeste-white region of the Drosophila melanogaster X chromosome are expressed both maternally and zygotically has been tested.
zyˈgotoblast n. [-blast comb. form] one of a number of germ-cells or sporozoites produced by budding from a zygotomere (see below).
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the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > zygote or syngamete > zygotomere, etc.
zoozygosphere1880
zygotoblast1899
zygotomere1899
1899Zygotoblasts [see zygotomere n.].
zyˈgotoid n. [-oid suffix] a multinucleate form of zygote in certain fungi (see quot.).
ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > zygote or syngamete
zygote1891
zygotoid1891
syngametea1900
ookinete1902
1891 Nature 17 Sept. 484/1 In apocytial fungi multinucleated masses of protoplasm (gametoids) may conjugate to form a zygotoid.
zyˈgotomere n. [Greek μέρος part] one of a number of cells formed by segmentation of a zygote in the malaria parasite or other Sporozoa.
ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > zygote or syngamete > zygotomere, etc.
zoozygosphere1880
zygotoblast1899
zygotomere1899
1899 T. C. Allbutt et al. Syst. Med. VIII. 945 Nucleus and protoplasm divide into a number of zygotomeres, which become blastophores, each bearing on its surface..a large number of filamentous zygotoblasts.
This entry has not yet been fully updated (first published 1921; most recently modified version published online March 2022).
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n.1891