pallial line

pallial line
(MOLLUSCA: Bivalvia)
A fine, single-lined impression near the periphery of each valve, produced by the edge of the mantle and indicating the internal line of attachment of the mantle to the shell.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • pallial line — noun also pallial impression : a mark on the inner surface of a bivalve shell more or less parallel with the margin caused by the attachment of the mantle …   Useful english dictionary

  • disjunct pallial line — (MOLLUSCA: Bivalvia) A pallial line broken up into unequal muscle attachments …   Dictionary of invertebrate zoology

  • Pallial — Pal li*al, a. [L. pallium a mantle. See {Pall}.] (Zo[ o]l.) 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… …   The Collaborative International Dictionary of English

  • Pallial chamber — Pallial Pal li*al, a. [L. pallium a mantle. See {Pall}.] (Zo[ o]l.) 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… …   The Collaborative International Dictionary of English

  • Pallial sinus — Pallial Pal li*al, a. [L. pallium a mantle. See {Pall}.] (Zo[ o]l.) 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… …   The Collaborative International Dictionary of English

  • pallial region — (MOLLUSCA: Bivalvia) Marginal region inside the shell next to the pallial line …   Dictionary of invertebrate zoology

  • pallial sinus — 1. (BRACHIOPODA) see mantle canal. 2. (MOLLUSCA: Bivalvia) A notch or recess in the pallial line …   Dictionary of invertebrate zoology

  • pallial sinus — noun 1. : an often conspicuous inward bend in the posterior part of the pallial line of a bivalve mollusk 2. : any of the branching channels through which fluids circulate in the mantle of a brachiopod …   Useful english dictionary

  • pallial impression — noun see pallial line …   Useful english dictionary

  • Bivalve shell — The bivalve shell is one kind of seashell, and in life it is composed of two parts, two valves. The bivalve shell is part of the body, the exoskeleton, of a bivalve mollusk. Bivalves are a common part of the marine fauna worldwide (scallops,… …   Wikipedia

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