Definitions
from The Century Dictionary.
- noun In cytology, the substance which forms the attraction-spheres, astral rays, and spindle-fibers in the karyokinetic figure of dividing animal and plant cells.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Biol.) The substance from which attraction spheres develop in mitotic cell division, and of which they consist.
Etymologies
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Examples
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CELL FROM A SALAMANDER. _n_, nucleus; _n'_, nucleolus embedded in the network of chromatin threads; _k_, network of the cell external to the nucleus; _a_, attraction-sphere or archoplasm containing minute bodies called centrosomes; _cl_, membrane enclosing the cell externally, _nl_, membrane surrounding the nucleus;
Young Folks' Library, Volume XI (of 20) Wonders of Earth, Sea and Sky Various 1880
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