Demonstration neuron module

662216

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Description

Shown on the front is a complete nerve cell with cell body, dendrites and axon with myelin sheath, Ranvier nodes and pre-synaptic terminals. The demonstration neuron is particularly well suited to demonstrate the operating principle of motor nerve cells (summation of below-threshold stimuli, electronic propagation of potentials, node leaping etc.). Action potentials may be tapped off at the axon.

Technical data

7 inputs with different weighting factors concerning the incoming stimuli depending on the distance from the axon hump (electrotonic propagation)
1 output for inhibiting impulses (red)
1 output for stimulating impulses (green)
5 sites for tapping off action potentials at the Ranvier nodes, each with a green LED (leaping conduction) and ground socket for measurements using an oscilloscope or a computer
1 socket at the axon hump for measurement of the generator potential
7 LEDs in the synapses for demonstrating the release of neurotransmitters.
Stimulation threshold: 1 Hz
Dimensions: 480 x 130 x 45 mm
Weight: 1 kg

Related Documents

PDF (Instruction Sheet)	[662 216] Demonstration neuron module
PDF (Experiment description)	B1.1.1.1 Detection of polarised light with the light receptor device (de)
PDF (Experiment description)	B1.1.1.3 Detection of nerve activity (de)
PDF (Experiment description)	B1.1.1.4 Passive propagation at the membrane of the cell body (de)
PDF (Experiment description)	B1.1.1.5 Frequency modulation: receptor and action potential (de)
PDF (Experiment description)	B1.1.1.6 Offsetting of stimuli (de)

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Demonstration neuron module

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Technical data

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