A Postsynaptic Cell Can Be a Neuron a Muscle

The special protein channels that connect the two cells make it possible for the positive current from the presynaptic neuron to flow directly into the postsynaptic cell. A neuron or nerve cell is an electrically excitable cell that communicates with other cells via specialized connections called synapsesThe neuron is the main component of nervous tissue in all animals except sponges and placozoa.

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Neurons are typically classified into three types based on their function.

. Plants and fungi do not have nerve cells. Indeed the large amplitude of the EPP ensures that an action. Electrical synapses allow electrical signals to travel quickly from the presynaptic cell to the postsynaptic cell rapidly speeding up the transfer of signals.

Postsynaptic conductance changes and the potential changes that accompany them alter the probability that an action potential will be produced in the postsynaptic cell. Sensory neurons respond to stimuli. At the neuromuscular junction synaptic action increases the probability that an action potential will occur in the postsynaptic muscle cell.

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