oosphere

oosphere definition - medical

o·o·sphere (ōˈə-sfîrˌ)

noun
A large nonmotile female gamete or egg cell, formed in an oogonium and ready for fertilization.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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