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单词 Pallial line
释义

Pallial line

英语百科

Pallial line

Diagram of the internal shell structure of the left valve of bivalve resembling a venerid in which the pallial line is shown

The pallial line is a mark (a line) on the interior of each valve of the shell of a bivalve mollusk. This line shows where all of the mantle muscles were attached in life. In clams with two adductor muscles the pallial line usually joins the marks known as adductor muscle scars, which are where the adductor muscles attach.

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