Sentence Examples with the word fertilized ovum

It may be regarded as derived from a wholly dependent sporogonium not unlike that of some of the simpler Bryophyta; the latter are assumed to have arisen from primitive Algal forms, in which, as the first step in the interpolation of the second generation in the life cycle, the fertilized ovum gave rise to a group of swarm spores, each of which developed into a new sexual plant.

The egg consists of a fertilized ovum and a mass of yolk-cells.

Diameter), containing a fertilized ovum surrounded usually by many yolk-cells.