dehiscence: (biology) release of material by splitting open of an organ or tissue; the natural bursting open at maturity of a fruit or other reproductive body to release seeds or spores or the bursting open of a surgically closed wound
organic phenomenon: (biology) a natural phenomenon involving living plants and animals
psychoanalysis: a set of techniques for exploring underlying motives and a method of treating various mental disorders; based on the theories of Sigmund Freud