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In this video lecture class I describe about Parapodia of Nereis & Parapodia of Heteronereis for BSc 1st year & TGT,PGT & GIC Students.

Also Difference between Parapodia of Nereis & Heteronereis.

Each trunk segment except the peristomium and pygidium carries laterally a pair of dorsal - ventrally flattened, hollow parapodia. Their cavity is continuous with the body coelom. Each parapodium is biramous. It consists of a basal part and two lobes notopodium and neuropodium.

Both notopodium and neuropodium bear following structure
1: Cirrus
2: Aciculum
3: Setae & setal sac

Video on L-1/ External Morphology of Nereis.
   • #Nereis#External Morphology#(Clam-Worm)L-1...