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Mature ovum


mature ovum
a functional egg cell of an animal.
maxilla
In vertebrates it is the bone of the upper jaw, carrying all teeth except the incisors. In invertebrates (arthropods) it is part of the mouthparts lying behind the jaws.
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[Gr. oon - an egg; Gr. genesis - origin, descent] The process in females whereby a mature ovum is formed from an oocyte.
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