Pallial

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Pallial \Pal"li*al\, a. [L. pallium a mantle. See {Pall}.]
     (Zool.)
     Of or pertaining to a mantle, especially to the mantle of
     mollusks; produced by the mantle; as, the pallial line, or
     impression, which marks the attachment of the mantle on the
     inner surface of a bivalve shell. See Illust. of {Bivalve}.


     [1913 Webster]
  
     {Pallial chamber} (Zool.), the cavity inclosed by the mantle.
        
  
     {Pallial sinus} (Zool.), an inward bending of the pallial
        line, near the posterior end of certain bivalve shells, to
        receive the siphon. See Illust. of {Bivalve}.
        [1913 Webster]