Responses in the Sensory Nerve Terminal of Leaf-Like Receptors in the Frog Sartorius Muscle

Abstract

1. Electrical responses of isolated leaf-like receptors in the frog sartorius muscle to muscle stretch were recorded by means of the paraffin gap method. 2. The sensory terminal is always positive by 0.25 to 1mV to the proximal portion of the axon. The magnitude of the steady potential decreases with increase in the terminal-gap distance. Crushing of the axon, especially under the paraffin pool, yields large changes of the steady potential.