WordNet 3.0 Copyright © 2006 by Princeton University.
- 1. invagination, introversion, intussusception, infolding, organic process, biological process
- usage: the folding in of an outer layer so as to form a pocket in the surface; "the invagination of the blastula"
- 2. intussusception, growth, growing, maturation, development, ontogeny, ontogenesis
- usage: (biology) growth in the surface area of a cell by the deposit of new particles between existing particles in the cell wall
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See also: intussusception (Dictionary)