单词 | ovoplasm |
释义 | ovoplasmn. Biology. rare. = ooplasm n. 1. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > ovum or ootid > protoplasm or cytoplasm periblast1885 ovoplasm1890 ooplasm1899 1890 Cent. Dict. Ovoplasm, the protoplasmic substance of an ovule or egg-cell before fecundation, corresponding to the spermoplasm of the sperm-cell. 1904 J. Mc Cabe tr. E. Haeckel Wonders of Life 254 The chemical difference between the ovoplasm of the female and the sperm-plasm of the male cell. 1992 Jrnl. Fish Biol. 41 581 Specific gravity of ovoplasm was observed to be 1.017 in marine eggs and calculated to be about 1.008 in brackish water eggs. 2002 Xinhua Gen. News Service (Nexis) 4 Sept. According to Liu, the vitality of a targeted ovum can be enhanced by replacing its ovoplasm with the healthy ovoplasm of another woman. DerivativesΚΠ 1890 Cent. Dict. Ovoplasmic, protoplasmic, as the substance of ovoplasm. This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022). < n.1890 |
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