(biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level | (biology) growth in the surface area of a cell by the deposit of new particles between existing particles in the cell wall |
coming to full development; becoming mature | the folding in of an outer layer so as to form a pocket in the surface |
(medicine) the formation of morbific matter in an abscess or a vesicle and the discharge of pus | |