单词 | metaboly |
释义 | metabolyn.ΘΚΠ the world > life > biology > biological processes > development, growth, or degeneration > [noun] > life cycle > metamorphosis metamorphosis1665 pleomorphism1854 allomorphosis1860 polyeidism1866 metamorphose1870 morphosis1882 pleomorphy1882 metaboly1890 cyclomorphosis1926 1890 Cent. Dict. at Metabolism In entom., metamorphosis; transformation; metaboly; transition from larva to pupa, or from pupa to imago. 2. Biology. The changes of shape characteristic of protists with a firm but flexible pellicle; euglenoid movement. ΘΚΠ the world > life > biology > biological processes > movement > [noun] > change of shape metaboly1926 1926 G. N. Calkins Biol. Protozoa vi. 254 Metaboly may still be observed. 1942 New Phytologist 41 185 While swimming freely..the cells often appear almost rigid. The metaboly then consists only in alterations in thickness and curvature. 1969 F. E. Round Introd. Lower Plants ii. 13 A characteristic of Euglena is the spirally striate pellicle which is pliable and allows the cell to assume a variety of shapes—metaboly—an unfortunate term. 1994 Jrnl. Morphol. 219 89 SEM [= scanning electron microscope] analyses of cells fixed during euglenoid movement (metaboly) show that the spirally arranged pellicular strips in the expanded regions of the organism have a lower pitch than those in the more constricted regions. This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022). < n.1890 |
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