Pallial markings see vascular markings

pallial nerves (MOLL) The pair of large dorsal nerves that innervate the mantle.

pallial region (MOLL: Bivalvia) Marginal region inside the shell next to the pallial line.

pallial retractor muscles Muscles that withdraw the edge of the pallium into the shell.

pallial sinus 1. (BRACHIO) see mantle canal. 2. (MOLL: Bival-via) A notch or recess in the pallial line.

palliobranchial fusion (MOLL: Bivalvia) Having the ctenidia outer tips fused to the mantle margin.

palliolum n. [L. dim. pallium, mantle] (ARTHRO: Insecta) In Siphonaptera, the outer (external) wall of the aedeagus.

palliopedal a. [L. pallium, mantle; pedis, foot] (moll) Pertains to the mantle and foot.

pallioperitoneal a. [L. pallium, mantle; Gr. periteinein, to stretch around] (MOLL) Pertaining to a complex that includes heart, renal organs, gonads and ctenidia.

pallium n. [L. pallium, mantle] 1. The mantle of a bivalve Mol-lusca or a Brachiopoda. 2. (ARTHRO: Insecta) In certain Orthoptera (Caelifera), a membrane from the free margin of the subgenital plate covering the retracted phallus.

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