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thecaemore about thecae

thecae


  1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Theca  \The"ca\,  n.;  pl  {Thec[ae]}.  [L.,  fr  Gr  ?  a  case  to  put 
  anything  in  See  {Tick}  a  cover.] 
  1.  A  sheath;  a  case;  as  the  theca,  or  cell,  of  an  anther; 
  the  theca,  or  spore  case,  of  a  fungus;  the  theca  of  the 
  spinal  cord. 
 
  2.  (Zo["o]l.) 
  a  The  chitinous  cup  which  protects  the  hydranths  of 
  certain  hydroids. 
  b  The  more  or  less  cuplike  calicle  of  a  coral. 
  c  The  wall  forming  a  calicle  of  a  coral. 




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