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University of Wisconsin Milwaukee

Epidermal Cells

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Development Of Peripheral Innervation In The Frog Xenopus Laevis, Mitali A. Gandhi Aug 2014

Development Of Peripheral Innervation In The Frog Xenopus Laevis, Mitali A. Gandhi

Theses and Dissertations

The skin in Xenopus laevis is innervated by two different sets of mechanosensory neurons at different times during development. Rohon Beard (RB) neurons start differentiating during gastrulation, innervate the embryonic skin and mediate sensory function during hatching. Dorsal Root Ganglion (DRG) neurons start differentiating after neural crest migration, innervate adult epidermal targets and mediate mechanosensory function during larval and adult stages and eventually replace RB neurons. The change in sensory neurons occurs during the transformation of skin, sensory structures, and behavior from their embryonic to their larval forms. We hypothesized that developmental changes in either the sensory end organs or ...