Retrieving "Adductor Muscles" from the archives

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1. Bivalve

   Linked via "adductor muscles"

   Anatomy and Physiology
   The body plan of a typical bivalve is fundamentally adapted for a life within a bivalved enclosure. The two shells, the left and right valve, are held together dorsally by a flexible ligament/) and may be closed forcefully by adductor muscles. The musculature is vital for defense and maintaining the internal hydrostatic balance.
   Internally, the visceral mass is compressed between the two valves. Respiration occurs via large, complex [gills](/entr…