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 inner surface of a bivalve shell. See Illust. of {Bivalve}. [1913 Webster]

{Pallial chamber} (Zo["o]l.), the cavity inclosed by the mantle.

{Pallial sinus} (Zo["o]l.), 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]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • pallial chamber — noun : mantle cavity …   Useful english dictionary

  • pallial chamber or cavity — (MOLLUSCA) The mantle cavity …   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 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 sinus — Sinus Si nus, n.; pl. L. {Sinus}, E. {Sinuses}. [L., a bent surface, a curve, the folds or bosom of a garment, etc., a bay. Cf. {Sine}, n.] 1. An opening; a hollow; a bending. [1913 Webster] 2. A bay of the sea; a recess in the shore. [1913… …   The Collaborative International Dictionary of English

  • mantle cavity — Specialized cavity found in certain mollusks, brachiopods and crustaceans lined with epidermis and usually exposed to sea or fresh water, or air, due to habitat; may or may not contain part of the viscera; pallial chamber or cavity; mantle… …   Dictionary of invertebrate zoology

  • Infrabranchial — In fra*bran chi*al, a. [Infra + branchial.] (Zo[ o]l.) Below the gills; applied to the ventral portion of the pallial chamber in the lamellibranchs. [1913 Webster] …   The Collaborative International Dictionary of English

  • infrabranchial — “+ adjective Etymology: infra + branchial : lying below the gills used especially of the ventral part of the pallial chamber in the lamellibranchs …   Useful english dictionary

  • suprabranchial — | ̷ ̷ ̷ ̷ at supra + adjective Etymology: supra + branchial : situated over the gills used especially of the upper part of the pallial chamber of a bivalve mollusk …   Useful english dictionary

  • bivalve — bivalvular /buy val vyeuh leuhr/, adj. /buy valv /, n. 1. Also called lamellibranch. Zool. any mollusk, as the oyster, clam, scallop, or mussel, of the class Bivalvia, having two shells hinged together, a soft body, and lamellate gills. adj. 2.… …   Universalium

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