dictionary help| involution | medical dictionary |
1. A rolling or turning inward.
2. One of the movements involved in the gastrulation of many animals.
3. A retrograde change of the entire body or in a particular organ, as the retrograde changes in the female genital organs that result in normal size after delivery.
4. The progressive degeneration occurring naturally with advancing age, resulting in shrivelling of organs or tissues.
Origin: L. Involutio, volvere = to roll
(11 Mar 2008)
involuntary muscles, involuntary nervous system, involute, involuted < Prev | Next > involutional, involutional depression
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