| pallial | <marine biology, zoology> Of or pretaining 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. <zoology> Pallial chamber, an inward bending of the pallial line, near the posterior end of certain bivalve shells, to receive the siphon. Origin: L. Pallium a mantle. See Pall. (19 Mar 1998) |
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