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单词 euglena
释义

Euglenan.

/juːˈɡliːnə/
Forms: Also euglena. Plural Euglenae, Euglenas.
Etymology: < modern Latin Euglena, (C. G. Ehrenberg 1830, in Ann. d. Physik u. Chem. XCIV. 507), < eu- comb. form + Greek γλήνη pupil of the eye.
Biology.
A single-celled aquatic flagellate of the genus Euglena, which is treated as either a protozoan or an alga. Cf. euglenoid adj. and n.
ΘΚΠ
the world > life > biology > organism > organisms by number or kind of cells > [noun]
Euglena1858
monoplast1877
polyplastid1884
homoplastide1889
monoplastid1889
diploid1908
1858 W. S. Dallas Carpenter's Zool. (rev. ed.) II. 553 Of these the Euglenæ are a very abundant form, occurring frequently in such numbers in stagnant waters, as to give these a green or red colour.
1906 Cambr. Nat. Hist. I. 124 Euglena..shows a peculiar wriggling motion, waves of transverse constriction passing along the body from end to end... Such motions are termed ‘euglenoid’.
1955 New Biol. 19 114 Euglena..is one of those organisms..to which it is impossible to refer unequivocally, either as an animal or a plant.
1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) V. 98/2 Species which have a very thin pellicle (Astasia, Peranema, Heteronema, and some euglenas) shorten on their axis, then elongate.
1983 E. C. Minkoff Evolutionary Biol. xxvi. 441/2 Euglena is an actively swimming alga capable of either photosynthesis or ingestive nutrition; it was formerly classified by many protozoologists as a member of the Protozoa.
This entry has not yet been fully updated (first published 1993; most recently modified version published online June 2018).
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n.1858
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