Nerve impulses travel directly across connected synapses via electricity, while the impulses use special chemicals to cross non-touching synapses, according to the Science Museum of the South Kensington Museum in London.... More »

A synapse is a space between two neurons that serves as a junction through which nervous impulses pass in order for cellular communication to occur. The word synapse comes from the Greek term synaptein, meaning "to join.... More »

To understand how a nerve impulse travels along the neuron, the complete pathway of the neuron must be understood. The impulse is essentially a message that is sent to the brain. More »

According to Albany University, nerve cells have a distinctive long, thin shape because they must be able to transmit impulses over long distances. Nerves pick up electrical impulses from all over the body, and these imp... More »

Sensory nerve endings detect stimuli from the environment and send impulses toward the central nervous system in response to these stimuli. Efferent nerve endings carry impulses from the central nervous system to effecto... More »

The three parts of a synapse are the presynaptic ending, the synaptic cleft and the postsynaptic ending. An impulse traveling from one nerve cell to another must pass through all three parts to successfully cross the syn... More »

A presynaptic neuron is a nerve cell that releases chemical messengers called neurotransmitters into the synapse, which is a gap at the end of a neuron. The postsynaptic neuron is the nerve cell that then receives these ... More »