The outer branch of a two-branched appendage in crustaceans like shrimp and crabs.
From Greek 'exo-' (outside) and 'pod' (foot). Zoologists use this term to describe the lateral or outer branch of crustacean limbs, which often function in swimming or water movement.
Crustacean limbs are like Swiss Army knives—they often have two branches (the exopod on the outside and the endopod on the inside), and different crustaceans use these branches for swimming, walking, eating, or filtering water depending on the limb.
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