Summary
The left cerebral ganglion was ablated from 72 anesthetized, adult Melampus bidentatus (Mollusca: Pulmonata). Skin incisions were well healed and normal feeding and locomotion observed four days after surgery. Dissections of animals sacrificed weekly showed that most nerves and connectives regrew within 30 days, attaching to the swollen end of the major labial nerve. The enlarged end of this nerve later developed into a distinctive bud; some of these buds contained cell bodies as soon as 42 days after surgery. As the first known report of central nervous tissue regeneration in molluscs, this study points to the need for controls in experiments involving section or ablation of nervous tissue in molluscs.
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I am grateful to Dr. W.D. Russell-Hunter for his guidance in the course of this work. Support was principally provided by a grant from the National Science Foundation to Dr. Russell-Hunter (Research Grant No. GB-36757 continued as BMS-72-02511-A01)and by two successive grants to the author from the Theodore Roosevelt Memorial Fund of the American Museum of Natural History, New York
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Price, C.H. Regeneration in the central nervous system of a pulmonate mollusc, Melampus . Cell Tissue Res. 180, 529–536 (1977). https://doi.org/10.1007/BF00220173
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DOI: https://doi.org/10.1007/BF00220173