Ovule facts for kids

Kids Encyclopedia Facts
This page is about a plant structure. For animals and humans, see Ovum.
Ovules in flower
Location of ovules inside a Helleborus foetidus flower
Pinus ovule L
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. The word literally means "small egg".

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

Images for kids

  • Ovule morphology anatropous

    Ovule structure (anatropous) 1: nucleus 2: chalaza 3: funiculus 4: raphe

  • Modellreihe von Grundformen der Samenanlagen -Brendel Nr. 164-166-

    Models of different ovules, Botanical Museum Greifswald

  • Embryosack Polygonum Lilium

    Megagametophyte formation of the genera Polygonum and Lilium. Triploid nuclei are shown as ellipses with three white dots. The first three columns show the meiosis of the megaspore, followed by 1-2 mitoses.


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Ovule Facts for Kids. Kiddle Encyclopedia.