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cambium

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cambium


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Cambium  \Cam"bi*um\,  n.  [LL.  cambium  exchange,  fr  L.  cambire  to 
  exchange.  It  was  supposed  that  cambium  was  sap  changing  into 
  wood.] 
  1.  (Bot.)  A  series  of  formative  cells  lying  outside  of  the 
  wood  proper  and  inside  of  the  inner  bark.  The  growth  of 
  new  wood  takes  place  in  the  cambium,  which  is  very  soft. 
 
  2.  (Med.)  A  fancied  nutritive  juice,  formerly  supposed  to 
  originate  in  the  blood,  to  repair  losses  of  the  system, 
  and  to  promote  its  increase.  --Dunglison. 
 
  From  WordNet  r  1.6  [wn]: 
 
  cambium 
  n  1:  formative  one-cell-thick  layer  of  tissue  between  xylem  and 
  phloem  in  most  vascular  plants  that  is  responsible  for 
  secondary  growth 
  2:  the  inner  layer  of  the  periosteum 




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