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scutellum

scutellum


  1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Scutellum  \Scu*tel"lum\,  n.;  pl  {Scutella}.  [NL.,  neut.  dim.  of 
  L.  scutum  a  shield.] 
  1.  (Bot.)  A  rounded  apothecium  having  an  elevated  rim  formed 
  of  the  proper  thallus,  the  fructification  of  certain 
  lichens. 
 
  2.  (Zo["o]l.) 
  a  The  third  of  the  four  pieces  forming  the  upper  part  of 
  a  thoracic  segment  of  an  insect.  It  follows  the 
  scutum,  and  is  followed  by  the  small  postscutellum;  a 
  scutella.  See  {Thorax}. 
  b  One  of  the  transverse  scales  on  the  tarsi  and  toes  of 
  birds;  a  scutella.