അർത്ഥം : The folding in of an outer layer so as to form a pocket in the surface.
ഉദാഹരണം :
The invagination of the blastula.
പര്യായപദങ്ങൾ : infolding, introversion, invagination
അർത്ഥം : (biology) growth in the surface area of a cell by the deposit of new particles between existing particles in the cell wall.