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Investigation Of Barbel Regeneration In The Catfish Ameiurus Nebulosus, Ruth-Marie E. Griswold

Senior Scholar Papers

It has been clearly demonstrated that the barbels of Ameiurus nebulosus regenerate completely following amputation. The current investigations involve experimentation dealing primarily with determination of the mechanisms by which regeneration occurs. However, prior to conducting a series of experiments designed to elucidate the processes which initiate regeneration, several preliminary investigations to determine normal barbel structure and regeneration were made.

Brain dissection of an adult catfish confirmed that innervation of the barbels is by both the fifth and seventh cranial nerves, and not solely by the seventh cranial nerve as suggested by Olmstead (1920). Further information regarding normal barbel innervation and …