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bulla

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bulla


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Bulla  \Bul"la\,  n.;  pl  {Bull[ae]}.  [L.  bulla  bubble.  See  {Bull} 
  an  edict.] 
  1.  (Med.)  A  bleb;  a  vesicle,  or  an  elevation  of  the  cuticle, 
  containing  a  transparent  watery  fluid. 
 
  2.  (Anat.)  The  ovoid  prominence  below  the  opening  of  the  ear 
  in  the  skulls  of  many  animals;  as  the  tympanic  or 
  auditory  bulla. 
 
  3.  A  leaden  seal  for  a  document;  esp.  the  round  leaden  seal 
  attached  to  the  papal  bulls,  which  has  on  one  side  a 
  representation  of  St  Peter  and  St  Paul,  and  on  the  other 
  the  name  of  the  pope  who  uses  it 
 
  4.  (Zo["o]l.)  A  genus  of  marine  shells.  See  {Bubble  shell}. 
 
  From  WordNet  r  1.6  [wn]: 
 
  bulla 
  n  1:  (pathology)  an  elevation  of  the  skin  filled  with  serous 
  fluid  [syn:  {blister},  {bleb}] 
  2:  the  round  leaden  seal  affixed  to  a  papal  bull 




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