madreporic tubercule

1 definition found

madreporic tubercule - Collaborative International Dictionary of English v.0.48 :

  Madreporian \Mad`re*po"ri*an\, Madreporic \Mad`re*po"ric\, a.
     (Zool.)
     Resembling, or pertaining to, the genus Madrepora.
     [1913 Webster]
  
     Madreporic plate (Zool.), a perforated plate in
        echinoderms, through which water is admitted to the
        ambulacral tubes; -- called also madreporic tubercule.
        [1913 Webster]