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The female element in anisogamy; it is the larger of the two sex cells, with more reserve material, and usually nonmotile.
[macro- + G. gametē, wife]
Farlex Partner Medical Dictionary © Farlex 2012
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
megagametethe larger of the two GAMETES, usually the female OVUM.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005