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Pronunciation: in'vo-lu'shun


  1. Return of an enlarged organ to normal size.
  2. Turning inward of the edges of a part.
  3. In psychiatry, mental decline associated with advanced age.

Synonym(s): catagenesis

[L. in-volvo, pp. -volutus, to roll up]

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.