Wikipedia

Ovule

plant structure. a small body in seed-bearing plants that consists of the integument(s), nucellus, and embryosac (containing the egg cell) and develops into the seed after fertilization
This article is about a plant structure. For animals and humans, see Ovum.

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

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

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

References

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  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 July 19, 2020.
  3. ↑ Ovule. Your Dictionary. Retrieved July 19, 2020.
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