ooesphere

1 sense · Free VividLex dictionary · Thesaurus

1. 1. (Bot.) An unfertilized, rounded mass of protoplasm, produced in an oögonium. Note: 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. Source: webster

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