Ovule vs. Ovum

Ovulenoun

(botany) The structure in a plant that develops into a seed after fertilization; the megasporangium of a seed plant with its enclosing integuments.

Ovulenoun

(zoology) An immature ovum in mammals.

Ovulenoun

The rudiment of a seed. It grows from a placenta, and consists of a soft nucleus within two delicate coatings. The attached base of the ovule is the hilum, the coatings are united with the nucleus at the chalaza, and their minute orifice is the foramen.

Ovulenoun

a small body that contains the female germ cell of a plant; develops into a seed after fertilization

Ovulenoun

a small or immature ovum

Ovule

In seed plants, the ovule is the structure that gives rise to and contains the female reproductive cells. It consists of three parts: the integument, forming its outer layer, the nucellus (or remnant of the megasporangium), and the female gametophyte (formed from a haploid megaspore) in its center.

Ovumnoun

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

Ovumnoun

A more or less spherical and transparent cell, 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.

Ovumnoun

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

Ovumnoun

the female reproductive cell; the female gamete