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  Freshwater mussel dissection 2

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The image above shows another view of a freshwater mussel dissection. Structures that can be seen on this image include the lateral hinge teeth (3), cardinal hinge tooth (4), anterior adductor muscle (6), posterior adductor muscle (7), gills (8), the fleshy mantle (1), a portion of exposed nacre lining the shell (2) and part of the digestive gland (5) inside what remains of the foot (most of which has been removed during the dissection). Also visible on the above image is one of the two pairs of labial palps (9), flap-like structures attached to each side of the at the anterior end of the visceral mass near the anterior adductor muscle that help guide food particles toward the mouth.

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