单词 | myxamoeba |
释义 | myxamoeban. Biology. In slime moulds: a motile feeding cell lacking flagella but capable of amoeboid movement. Cf. myxoflagellate n. ΘΚΠ the world > life > biology > substance > cell > types of cells > [noun] > motile or amoebic cell myxamoeba1875 immigrant1885 microcyst1887 amœbocyte1892 wandering cells1896 streptocyte1897 swarmer cell1950 swarmer1964 1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. 10 In the Myxomycetes the swarm-spores (Myxo-amœbæ [Ger. Myxoamöben])..coalesce gradually in great numbers. 1887 H. E. F. Garnsey & I. B. Balfour tr. H. A. de Bary Compar. Morphol. & Biol. Fungi viii. 423 Swarm-cells with purely amoeboid motion have been unnecessarily distinguished by the name of myxamoebae. 1927 H. Gwynne-Vaughan & B. F. Barnes Struct. & Devel. Fungi 45 In early stages of development they [sc. Myxomycetes] appear as small, naked uninucleate amoebae, the myxamoebae. 1956 Science 29 June 1172/1 The myxamebas depend on a gradient in order to know in which direction to move. 1971 P. H. B. Talbot Princ. Fungal Taxon. viii. 100 A myxamoeba may put out flagella and become a swarmer, or a swarmer may retract its flagella and become a myxamoeba. 1994 New Phytologist 126 176/1 Myxamoebae may also act as gametes, fusing in pairs to give diploid zygotes. This entry has been updated (OED Third Edition, June 2003; most recently modified version published online March 2022). < n.1875 |
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