Stretch of a neuron Light Sound Temperature change, hot or cold Neurotransmitters or chemical messengers These stimuli result in ion channels within the cell to open and release one or more of the ions through the cellular membrane and into the synaptic space, which changes the membrane potential...
The neuron or nerve cell is a cell specialized for conducting nerve impulses. Notice how this type of cell is characterized by having distinct parts, such as soma, dendrites, and axons. The axon terminal, in particular, has knob-like endings that make synaptic contacts with other nerve cells ...
Nerves convey sensory and motor information throughout the body. This lesson discusses the general structure of nerves, especially myelinated...