ovule

noun

(diminutive of L. ovum: egg) A structure in seed plants, the part of the female reproductive organs that consists of the megasporangium (nucellus), megaspore (embryo sac), and integuments (food store and coat) and develops into a seed after fertilization. The ovules of gymnosperms are situated on ovuliferous scales of the female cones while those of angiosperms are enclosed in the carpel.