Cadmium (Cd) is a toxic heavy metal that, when present as a pollutant in the marine environment, is readily accumulated by marine bivalves, causing oxidative stress and tissue damage. This study explored whether short-term depuration could reverse Cd 2+ -induced toxicity in the ovary of the clam Meretrix meretrix . Clams exposed to 3 mg·L -1 Cd 2+ for three days showed increased accumulated Cd 2+ in their ovaries with obvious...