a process occurring in living organisms

(histology) the preservation and hardening of a tissue sample to retain as nearly as possible the same relations they had in the living body

preservation (of a dead body) by treating with balsams and drugs and other chemicals

a process involving fixation and dehydration and forced impregnation and hardening of biological tissues; water and lipids are replaced by curable polymers (silicone or epoxy or polyester) that are subsequently hardened

the process of cooling or freezing (e.g., food) for preservative purposes