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stomamore about stoma

stoma


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Stoma  \Sto"ma\,  n.;  pl  {Stomata}.  [NL.,  fr  Gr  ?,  ?,  a  mouth.] 
  1.  (Anat.)  One  of  the  minute  apertures  between  the  cells  in 
  many  serous  membranes. 
 
  2.  (Bot.) 
  a  The  minute  breathing  pores  of  leaves  or  other  organs 
  opening  into  the  intercellular  spaces,  and  usually 
  bordered  by  two  contractile  cells. 
  b  The  line  of  dehiscence  of  the  sporangium  of  a  fern.  It 
  is  usually  marked  by  two  transversely  elongated  cells. 
  See  Illust.  of  {Sporangium}. 
 
  3.  (Zo["o]l.)  A  stigma.  See  {Stigma},  n.,  6 
  a  & 
  b  . 
 
  From  WordNet  r  1.6  [wn]: 
 
  stoma 
  n  1:  a  minute  epidermal  pore  in  a  leaf  or  stem  [syn:  {pore}] 
  2:  a  mouth  or  mouthlike  opening  (especially  one  created  by 
  surgery  on  the  surface  of  the  body  to  create  an  opening  to 
  an  internal  organ) 




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