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chloroplast

more about chloroplast

chloroplast


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Chloroplast  \Chlo"ro*plast\,  n.  [Pref.  chloro-  +  Gr  ?  to  mold, 
  form.]  (Biol.) 
  A  plastid  containing  chlorophyll,  developed  only  in  cells 
  exposed  to  the  light.  Chloroplasts  are  minute  flattened 
  granules,  usually  occurring  in  great  numbers  in  the  cytoplasm 
  near  the  cell  wall,  and  consist  of  a  colorless  ground 
  substance  saturated  with  chlorophyll  pigments.  Under  light  of 
  varying  intensity  they  exhibit  phototactic  movements.  In 
  animals  chloroplasts  occur  only  in  certain  low  forms. 
 
  From  WordNet  r  1.6  [wn]: 
 
  chloroplast 
  n  :  plastid  containing  chlorophyll  and  other  pigments;  in  plants 
  that  carry  out  photosynthesis 




more about chloroplast