Accumulation of metals and mineral particles in the soft tissues of the edible cockle, Cerastoderma edule (Mollusca. Eulamellibranchia). Relation to the environment]

There are two types of metallic accumulations. The first type is constant in localisation and composition. The second type is casually encountered, included in hemocyte nodules, changing with environment and some of its components are incorporated in inorganic particles.