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hydatid

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hydatid


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Hydatid  \Hy"da*tid\,  n.  [Gr.  ?,  ?,  a  watery  vesicle  under  the 
  upper  eyelid,  fr  "y`dwr,  "y`datos,  water:  cf  F.  hydatide.] 
  (Zo["o]l.) 
  A  membranous  sac  or  bladder  filled  with  a  pellucid  fluid, 
  found  in  various  parts  of  the  bodies  of  animals,  but 
  unconnected  with  the  tissues.  It  is  usually  formed  by 
  parasitic  worms,  esp.  by  larval  tapeworms,  as  Echinococcus 
  and  C[oe]nurus.  See  these  words  in  the  Vocabulary. 
 
  {Hydatid  of  Morgagni}  (Anat.),  one  of  the  small  pedunculated 
  bodies  found  between  the  testicle  and  the  head  of  the 
  epididymis,  and  supposed  to  be  a  remnant  of  the 
  M["u]llerian  duct. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Cysticerce  \Cys"ti*cerce\  (s?s"t?-s?rs),  Cysticercus 
  \Cys`ti*cer"cus\  (-s?r"k?s),  n.  [NL.  cysticercus,  fr  Gr  ???? 
  bladder  +  ????  tail:  cf  F.  cysticerque.]  (Zo["o]l.) 
  The  larval  form  of  a  tapeworm,  having  the  head  and  neck  of  a 
  tapeworm  attached  to  a  saclike  body  filled  with  fluid;  -- 
  called  also  {bladder  worm},  {hydatid},  and  {measle}  (as,  pork 
  measle). 
 
  Note:  These  larvae  live  in  the  tissues  of  various  living 
  animals,  and  when  swallowed  by  a  suitable  carnivorous 
  animal,  develop  into  adult  tapeworms  in  the  intestine. 
  See  {Measles},  4,  {Tapeworm}. 




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