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tracheamore about trachea

trachea


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Trachea  \Tra"che*a\,  n.;  pl  {Trache[ae]}.  [NL.,from  L.  trachia, 
  Gr  trachei^a  (sc.  ?  windpipe),  from  ?  rough,  rugged:  cf  F. 
  trach['e]e.] 
  1.  (Anat.)  The  windpipe.  See  Illust.  of  {Lung}. 
 
  2.  (Zo["o]l.)  One  of  the  respiratory  tubes  of  insects  and 
  arachnids. 
 
  3.  (Bot.)  One  of  the  large  cells  in  woody  tissue  which  have 
  spiral,  annular,  or  other  markings,  and  are  connected 
  longitudinally  so  as  to  form  continuous  ducts. 
 
  From  WordNet  r  1.6  [wn]: 
 
  trachea 
  n  1:  membranous  tube  with  cartilaginous  rings  that  conveys 
  inhaled  air  from  the  larynx  to  the  bronchi  [syn:  {windpipe}] 
  2:  one  of  the  tubules  forming  the  respiratory  system  of  most 
  insects  and  many  arachnids 




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