Parapodium(redirected from Notopodia)
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Related to Notopodia: Notoseta
one of the lateral processes on the body of polychaetous worms. The parapodia are borne in pairs by each trunk segment and serve primarily as locomotive organs. Parapodia typically consist of a ventral and a dorsal branch. Each branch is equipped with a cluster of bristles and with a tactile antenna, which at times is modified into a gill.