Ovum Definition

Ovum Sentence Examples

• The result of this is the production of four nuclei, which eventually take up a position at the bottom of the ovum and become separated from one another by vertical cellwalls; these nuclei divide again, and finally three tiers of cells are produced, four in each tier.

• On this view the origin of the sporophyte is looked for in the gradual development of sterile tissue in the generation arising from the fertilized ovum, and a consequent postponement of spore-formation.

• They, however, differ in the most striking manner in the structure of the ovum and the early development.

• In correspondence with these differences in the ovum there are differences in the early development, though the later stages are closely similar.

• The ovum of Hydromedusae is usually one of a large number of odgonia, and grows at the expense of its sister-cells.