What is "exogenous aneurism"

exogenous \ex*og"e*nous\, a.

1. (Bot.) derived from or originating outside; pertaining to, or having the character of, an exogen; -- the opposite of endogenous.

   Syn: exogenetic.

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.

3. (Anat.) Growing from previously ossified parts; -- opposed to autogenous.
   --Owen.

4. (Med.) caused by factors from outside the body, rather than from an abnormality of internal functions; -- of illness.

5. (Biol., Biochem.) not synthesized within the organism; absorbed or assimilated from outside the organism.

   Exogenous aneurism (Med.), an aneurism which is produced by causes acting from without, as from injury. [1913 Webster] ||