nucellus definition

  • noun:
    • Botany The central percentage of an ovule where the embryo sac develops; the megasporangium.
    • The structure which encompasses and protects the embryo and lies within the integuments.
    • See nucleus, 3 (a).
    • main element of a plant ovule; offers the embryo sac
  • others:
    • In botany, your body of ovule containing the embryo-sac; the nucleus of this ovule.

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