[Functional properties of electroreceptors in the lamprey].
The impulse activity of nerve fibres in response to electric pulses and sinusoidal electric current stimulation of the electroreceptors was recorded in Lampetra fluviatilis. The electroreceptors of lamprey were excited by cathodal stimuli. Thresholds for electric stimulation were in the range of 10-60 microV/cm. Optimum frequency range in uniform electric field was 0.05-0.5 Hz. Properties of electroreceptors in lampreys and elasmobranches are discussed.
D000818:Animals; D004558:Electric Stimulation; D004560:Electricity; D005399:Fishes / Q000502:physiology*; D007798:Lampreys / Q000502:physiology*; D010812:Physical Stimulation; D011930:Reaction Time / Q000502:physiology; D011984:Sensory Receptor Cells / Q000502:physiology*; D012684:Sensory Thresholds
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