Morphogenetic control during tail regeneration in Plethodon cinereus: the role of skeletal muscle |
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Authors: | C E Dinsmore |
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Institution: | 1. Department of Anatomy, College of Health Sciences, Rush University, Chicago, Illinois 60612, USA;2. The Mount Desert Island Biological Laboratory, Salsbury Cove, Maine 04672 USA |
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Abstract: | The caudal myofibers of Plethodon cinereus do not appear to participate directly in epimorphic tail regeneration following either autotomy or surgical amputation of the tail. The possibility that tail musculature might indirectly influence morphogenesis of the regenerate was tested by unilaterally removing 99% of the lateral muscle mass for five to six caudal segments. Ten days after muscle ablation, tails were amputated through the deficient area. Unlike previous experiences with ambystomid larvae, P. cinereus regulates completely producing a normal tail regenerate and at a rate comparable to that following simple amputation. |
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