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urochordmore about urochord

urochord


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Urochord  \U"ro*chord\,  n.  [2d  uro-  +  chord.]  (Zo["o]l.) 
  The  central  axis  or  cord  in  the  tail  of  larval  ascidians  and 
  of  certain  adult  tunicates.  [Written  also  {urocord}.] 
 
  From  WordNet  r  1.6  [wn]: 
 
  urochord 
  n  1:  primitive  marine  animal  having  a  saclike  unsegmented  body 
  and  a  urochord  (a  notochord)  conspicuous  in  the  larva 
  [syn:  {tunicate},  {urochordate}] 
  2:  a  notochord  of  a  larval  tunicate  typically  confined  to  the 
  caudal  region 




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