, n.
1 Med. the inversion of one portion of the intestine within another.
2 Bot. the deposition of new cellulose particles in a cell wall, to increase the surface area of the cell.
		                    
		                    		                    		                    		                    		                        
		                        F intussusception or mod.L intussusceptio f. L intus within + susceptio f.  suscipere take up