(n) an inappropriate state of depression that is precipitated by events in the person's life (to be distinguished from normal grief), Syn.reactive depression
n. [ Exo- + -gen: cf. F. exogène. ] (Bot.) A plant belonging to one of the greater part of the vegetable kingdom, and which the plants are characterized by having c wood bark, and pith, the wood forming a layer between the other two, and increasing, if at all, by the animal addition of a new layer to the outside next to the bark. The leaves are commonly netted-veined, and the number of cotyledons is two, or, very rarely, several in a whorl. Cf. Endogen. Gray. [ 1913 Webster ]
a. 1. (Bot.) derived from or originating outside; pertaining to, or having the character of, an exogen; -- the opposite of endogenous. Syn. -- exogenetic. [ 1913 Webster ]
2. (Bot.) Growing by addition to the exterior; growing by addition of a new external layer of cells on the surface just beneath the bark; -- of plants. [ 1913 Webster ]
3. (Anat.) Growing from previously ossified parts; -- opposed to autogenous. Owen. [ 1913 Webster ]
4. (Med.) caused by factors from outside the body, rather than from an abnormality of internal functions; -- of illness. [ PJC ]
5. (Biol., Biochem.) not synthesized within the organism; absorbed or assimilated from outside the organism. [ PJC ]
Exogenous aneurism (Med.), an aneurism which is produced by causes acting from without, as from injury. [ 1913 Webster ]
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