Exogenous

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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.


          [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]

From WordNet (r) 2.0 [wn]:

  exogenous
       adj : derived or originating externally [syn: {exogenic}] [ant: {endogenous},
              {endogenous}]