Gra planszowa osadnicy z catano online dating

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As Na ions enter the cell, the membrane potential is further depolarized, and more voltage-gated sodium channels are activated.Such a process is also known as a positive feedback loop.

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If more of the same type of postsynaptic receptors are activated, then more Na will enter the postsynaptic membrane and depolarize cell.

Some neurons such as photoreceptor cells, for example, do not have myelinated axons that conduct action potentials.

Other unipolar neurons found in invertebrates do not even have distinguishing processes such as dendrites.

Plastic change often results from the alteration of the number of neurotransmitter receptors located on a synapse.

There are several underlying mechanisms that cooperate to achieve synaptic plasticity, including changes in the quantity of neurotransmitters released into a synapse and changes in how effectively cells respond to those neurotransmitters.

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