Thesaurus: ovum

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1. n. A more or less spherical and transparent mass of granular protoplasm, which by a process of multiplication and growth develops into a mass of cells, constituting a new individual like the parent; an egg, spore, germ, or germ cell. See Illust. of Mycropyle.
2. n. One of the series of egg-shaped ornaments into which the ovolo is often carved.
3. n. the female reproductive cell; the female gamete
4. 1. (Biol.) A more or less spherical and transparent mass of granular protoplasm, which by a process of multiplication and growth develops into a mass of cells, constituting a new individual like the parent; an egg, spore, germ, or germ cell. See Illust. of Mycropyle. Note: The ovum is a typical cell, with a cell wall, cell substance, nucleus, and nucleolus. In man and the higher animals the cell wall, a vertically striated membrane, is called the zona pellucida; the cell contents, the vitellus; the nucleus, the germinal vesicle; and the nucleolus, the germinal spot. The diameter of the ripe ovum in man and the domestic animals varies between 1-200 and 1-120 of an inch. 2. (Arch.) One of the series of egg-shaped ornaments into which the ovolo is often carved. Gwilt.
5. A more or less spherical and transparent mass of granularprotoplasm, which by a process of multiplication and growth developsinto a mass of cells, constituting a new individual like the parent;an egg, spore, germ, or germ cell. See Illust. of Mycropyle.
6. n:100 n. the female reproductive cell; the female gamete