单词 | metovum |
释义 | † metovumn. Biology. Obsolete. rare. Haeckel's name for: an ovum in its second stage of development, after formation of the yolk. ΚΠ 1879 tr. E. Haeckel Evol. Man I. 223 The protovum is thus transformed into the metovum (after-egg) which is many times larger..but..is only a single..cell. This entry has been updated (OED Third Edition, December 2001; most recently modified version published online June 2019). < n.1879 |
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