| 单词 | ovum |
| 释义 | ovum From Longman Dictionary of Contemporary EnglishBiology, Birthovumo‧vum /ˈəʊvəm $ ˈoʊ-/ noun (plural ova /-və/) [countable] technicalHBMBan egg, especially one that develops inside the mother’s bodyExamples from the Corpusovum• Both will therefore produce an ovum that month.• The whole woman of reproductive age produces an ovum a month, representing a single shot at a pregnancy every twenty-eight days.• Then the nuclei arrange themselves side by side and fuse into a single nucleus carrying the chromosomes of both sperm and ovum.• The creature probably created by the fusion of a human nucleus and a bovine ovum was owed something.• It is thought that the head secretes a substance which is capable of breaking down the outer layer of the ovum.• The victor then provides the ovum for that month.• The ovum is roughly spherical or slightly egg-shaped.Origin ovum (1700-1800) Modern Latin Latin, “egg” |
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