Abstract

1. 1. The fungiform papillae responded to the mechanical stimulation of either an air puff or a Frey's hair. but the filiform papillae did not. 2. 2. The integrated neural response to an air puff was greatest along the margin and at the apex of the dorsum linguae. 3. 3. More than three quarters of the mechanosensitive fibers responded to CaCl 2 application and one third responded to NaCl application. Mono- and divalent cations had various influences on the response to mechanical stimulation. 4. 4. Glucose and sucrose dissolved in distilled water depressed the response, but when dissolved in Ringer's solution had no effect. HCl and quinine-HCl depressed the mechanical response.

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