Recording of nerve and muscle potentials by mechanical stimulation at the rear end of an earthworm (Cobra3)

 Product No: P4010111

Principle and tasks

To work on the following themes by measuring nerve and muscle potentials:

  • the course of a biphasic action potential over time
  • estimation of the conduction velocity
  • coding of the stimulant intensity as frequency modulation

What you can lern about

  • Nerve and muscle potentials
  • Mechanical stimulation
  • Biphasic action potential
  • Frequency modulation
  • Median and lateral giant nerve fibres
  • Conduction velocity



Materiallist (Excerpt) Product Amount
Cobra3 BASIC-UNIT, USB 12150-50 1
Biological amplifier 65961-93 1
Earthworm experiment chamber 65981-20 1
Stimulus bristle, triggering 65981-21 1
Power supply 12V / 2A 12151-99 1
Software Cobra3 Universal recorder 14504-61 1
Adapter, BNC-plug/socket 4 mm. 07542-26 1
Alligator clips, insulated, black, 10 pcs. 07276-15 1
Connecting cord, 32 A, 250 mm, red 07360-01 2
Connecting cord, 32 A, 250 mm, blue 07360-04 2
Connecting cord, 32 A, 250 mm, black 07360-05 2
Laboratory Experiments Physics, Chemistry, Biology andApplied Sciences, CD-ROM, incl. operating manuals 16502-42 0

Literature for this article als follows

Title Product Language
TESS expert Handbook Laboratory Experiments Biology 16506-02 ENG

back to corresponding listview

Product No: P4010111

These items could also be interesting ... (12 items)

Recommend this page  ∇

X-ray expert unit

This product is a world first

PHYWE presents the new x-ray unit: innovative technology, top safety, maximum comfort!

More