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Location of ovules inside a Helleborus foetidus flower
Cross section of an ovule of a pine tree. A=Gametophyte, B=Egg cell, C=Micropyle, D=Integument, E=Sporangium

Ovules produce the female reproductive cells which get fertilized during sexual reproduction in seed plants.[1] The word literally means "small egg."[2][3]

The megagametophyte (also called the embryo sac in flowering plants) is inside the ovule. The megagametophyte produces the egg cell.


  1. "In Search of Green Life". The Great Plant Escape: Teacher's Guide. University of Illinois Extension. Retrieved July 19, 2020. 
  2. "Ovule".. Merriam Webster. Retrieved on 19 July 2020. 
  3. "Ovule".. Your Dictionary. Retrieved on 19 July 2020.