Definitions
from The Century Dictionary.
- noun The nucleus of a spermatozoön; a spermococcus or sperm-kernel.
- noun In botany, the nucleus of a male gamete, which coalesces with the nucleus of an oösphere to form a germ-nucleus.
Etymologies
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Examples
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Each is provided with its own distinct nucleus or cell-kernel, for the first step in the division of the egg-sphere is the division within it of its newly constituted nucleus into two, each half consisting of nearly equal proportions of the mingled substance of the sperm-nucleus and the egg-nucleus.
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In Figure 1.26 the little sperm-nucleus (sk) moves towards the larger nucleus of the ovum (ek).
The Evolution of Man — Volume 1 Ernst Heinrich Philipp August Haeckel 1876
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But this hereditary disposition, the essence of every human soul, is not "eternal," but "temporal"; it comes into being only at the moment when the sperm-nucleus of the father and the nucleus of the maternal ovum meet and fuse together.
The Evolution of Man — Volume 1 Ernst Heinrich Philipp August Haeckel 1876
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