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corpuscle

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corpuscle


  3  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Corpuscle  \Cor"pus*cle\,  n.  (Physics) 
  An  electron. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Corpuscle  \Cor"pus*cle\  (-p[u^]s*s'l),  n.  [L.  corpusculum  dim. 
  of  corpus.] 
  1.  A  minute  particle;  an  atom;  a  molecule. 
 
  2.  (Anat.)  A  protoplasmic  animal  cell;  esp.,  such  as  float 
  free  like  blood,  lymph,  and  pus  corpuscles;  or  such  as 
  are  imbedded  in  an  intercellular  matrix,  like  connective 
  tissue  and  cartilage  corpuscles.  See  {Blood}. 
 
  Virchow  showed  that  the  corpuscles  of  bone  are 
  homologous  with  those  of  connective  tissue. 
  --Quain's 
  Anat. 
 
  {Red  blood  corpuscles}  (Physiol.),  in  man,  yellowish, 
  biconcave,  circular  discs  varying  from  1/3500  to  1/3200  of 
  an  inch  in  diameter  and  about  1/12400  of  an  inch  thick. 
  They  are  composed  of  a  colorless  stroma  filled  in  with 
  semifluid  h[ae]moglobin  and  other  matters.  In  most  mammals 
  the  red  corpuscles  are  circular,  but  in  the  camels,  birds, 
  reptiles,  and  the  lower  vertebrates  generally,  they  are 
  oval,  and  sometimes  more  or  less  spherical  in  form  In 
  Amphioxus,  and  most  invertebrates,  the  blood  corpuscles 
  are  all  white  or  colorless. 
 
  {White  blood  corpuscles}  (Physiol.),  rounded,  slightly 
  flattened,  nucleated  cells,  mainly  protoplasmic  in 
  composition,  and  possessed  of  contractile  power.  In  man, 
  the  average  size  is  about  1/2500  of  an  inch,  and  they  are 
  present  in  blood  in  much  smaller  numbers  than  the  red 
  corpuscles. 
 
  From  WordNet  r  1.6  [wn]: 
 
  corpuscle 
  n  :  either  of  two  types  of  cells  (erythrocytes  and  leukocytes) 
  and  sometimes  including  platelets  [syn:  {blood  cell},  {blood 
  corpuscle}] 




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