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单词 ookinete
释义

ookineten.

Brit. /ˌəʊə(ʊ)ˈkʌɪniːt/, /ˌəʊəkᵻˈniːt/, U.S. /ˌoʊoʊˈkaɪˌnit/, /ˈˌoʊoʊkəˈnit/
Forms: 1900s– ookinete, 1900s– oökinete.
Origin: A borrowing from German. Etymon: German Ookinet.
Etymology: < German Ookinet (F. Schaudinn 1899, in Sitzungsber. der Ges. Naturforsch. Freunde zu Berlin 176), apparently < oo- oo- comb. form + kinet- (in kinetisch kinetic adj.). Compare French ookinète (1910 as oocinète).
Biology.
A zygote capable of autonomous movement, esp. as a stage in the life cycle of some parasitic protozoa.
ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > zygote or syngamete
zygote1891
zygotoid1891
syngametea1900
ookinete1902
1902 Proc. Royal Soc. 70 74 ‘Sporozoites’, ‘blasts’, ‘ookinetes’, ‘schizonts’, ‘amphionts’, and ‘sporonts’—terms which have their place in schemes dealing with the general morphology and life-history of the group Sporozoa, but are not, as experience shows, well suited for immediate use in describing and referring to the stages of the malaria parasite.
1931 Science 5 June 621/2 Syngamy results in the formation of a motile zygote or oökinete which soon leaves the lumen of the gut.
1968 Trans. Royal Soc. Trop. Med. & Hygiene 62 462 The tapering anterior end is truncated, not pointed, and is surmounted by a prominent dense ring, staining red. This is present in all vermicular oökinetes.
1999 Proc. National Acad. Sci. U.S.A. 96 14796/1 Live Plasmodium gallinaceum ookinetes [were] resuspended in Schneider medium (4 × 105 ookinetes per flask).
This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022).
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n.1902
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