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peristomemore about peristome

peristome


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Peristome  \Per"i*stome\,  n.  [Pref.  peri-  +  Gr  ?,  ?,  mouth.] 
  1.  (Bot.)  The  fringe  of  teeth  around  the  orifice  of  the 
  capsule  of  mosses.  It  consists  of  4,  8,  16,  32,  or  64 
  teeth,  and  may  be  either  single  or  double. 
 
  2.  (Zo["o]l.) 
  a  The  lip,  or  edge  of  the  aperture,  of  a  spiral  shell. 
  b  The  membrane  surrounding  the  mouth  of  an  invertebrate 
  animal. 
 
  From  WordNet  r  1.6  [wn]: 
 
  peristome 
  n  1:  (botany)  fringe  of  toothlike  appendages  surrounding  the 
  mouth  of  a  moss  capsule 
  2:  region  around  the  mouth  in  various  invertebrates 




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