oosphere

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Related to oospheres: oogonium, Noosphere, antheridium

oosphere

(ō′ə-sfîr′)
n.
A nonmotile female gamete formed in the oogonium of an alga, fungus, oomycete, or bryophyte.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

oosphere

the large, nonmotile female GAMETE formed in an OOGONIUM.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005