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Anatomy and life stagePereiopod
Bounded definition
One of the thoracic appendages used in feeding or walking.
Do not infer more: The first, second, third and later pereiopods have different structures and cannot be called simply a leg when location matters.
Wording people may use
walking leg, feeding appendage, pereopod.
Use the term in context
Continue with anatomy and photography guide, identity and provenance guide. The glossary standardizes wording; the linked guide carries the practical method, evidence and decision boundary.
Editorial definition reviewed 2026-08-12. It adds no diagnosis, universal care target or new biological evidence. Challenge this wording or provide a source.