Parapodium
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![Dorsal view of a freshly collected intact sea slug, Plakobranchus ocellatus, showing its head, rhinophores and parapodia.](/Images/godic/202502/01/Plakobranchus_ocellatus_35458.png")
The term parapodium (Gr. para, beyond or beside + podia, feet) refers to two different organs. In annelids, parapodia are paired, un-jointed lateral outgrowths that bear the chaetae. In several clades of sea snails and sea slugs, 'parapodium' refers to lateral fleshy protrusions.