ovum
/oh-vuhm/US // ˈoʊ vəm //UK // (ˈəʊvəm) //
卵子,卵,精子,胚胎
Related Words
Definitions
n.名词 noun
- 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
nounfemale reproductive cell
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.
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