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...nutrients and waste products. In plant ovules, it is the region where the nucellus is joined to the integuments. In plant ovules, the chalaza is the region where the nucellus ([[Nucellus|central part of the ovule]]) is joined to the integuments ([[Integument|out

Ovules are typically composed of a [[Nucellus]] (the central part of the ovule, containing the female gametophyte), one o * [[Nucellus]]: The central part of the ovule, containing the female gametophyte.