OVUM

ovum, egg cell

(noun) the female reproductive cell; the female gamete

Source: WordNet® 3.1


Etymology

Noun

ovum (plural ova)

(cytology) The female gamete in animals; the egg cell.

Synonyms

• megagamete

Hypernyms

• gamete

Coordinate terms

• spermatozoon

Source: Wiktionary


O"vum, n.; pl. L. Ova, E. Ovums. Etym: [L., an egg. See Oval.]

1. (Biol.)

Definition: 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.)

Definition: One of the series of egg-shaped ornaments into which the ovolo is often carved. Gwilt.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

26 June 2024

INCORPORATE

(verb) include or contain; have as a component; “A totally new idea is comprised in this paper”; “The record contains many old songs from the 1930’s”


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