oospere Meaning, Definition & Usage

O"ö*spere noun (Also<

• Oospere
• Oöspere

)

Etymology

Gr. an egg + E. sphere.

Definitions

1. (Bot.) An unfertilized, rounded mass of protoplasm, produced in an oögonium. ✍ After being fertilized by the access of antherozoids it becomes covered with a cell wall and develops into an oöspore, which may grow into a new plant like the parent.
2. (Bot.) An analogous mass of protoplasm in the ovule of a flowering plant; an embryonic vesicle. Goodale.