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ovum

/oh-vuhm/US // ˈoʊ vəm //UK // (ˈəʊvəm) //

卵子,卵,精子,胚胎

Related Words

Definitions

n.名词 noun
  1. 1

    plural o·va [oh-vuh]. /ˈoʊ və/.

    • : Cell Biology. the female reproductive cell or gamete of animals, which is capable of developing, usually only after fertilization, into a new individual.the female reproductive cell or gamete of plants.
    • : Architecture. an oval ornament, as in an egg-and-dart molding.

Synonyms & Antonyms

Examples

  • The ovum of Amphioxus contains very little food material and its segmentation is quite uniform.

  • A section of the embryo, as we may now call the ovum, is represented in Plate 5, fig.

  • The bulk of the ovum is composed of yolk spherules, imbedded in a protoplasmic matrix.

  • It contains in fact a larger bulk of active protoplasm, as compared with yolk-granules, than does the remainder of the ovum.

  • The outer of the three is composed of the largest-sized yolk-spherules which constitute the greater part of the ovum.