Skip to Content


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]

Disclaimer: This site is designed to offer information for general educational purposes only. The health information furnished on this site and the interactive responses are not intended to be professional advice and are not intended to replace personal consultation with a qualified physician, pharmacist, or other healthcare professional. You must always seek the advice of a professional for questions related to a disease, disease symptoms, and appropriate therapeutic treatments.
© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.