synapse

References & Edit History Quick Facts & Related Topics

Images

Diagram showing how nerve impulses travel between neurons at synapses, with labeled parts including axon, cell body, dendrite, axon terminal, and a detailed view of the synaptic cleft and vesicles.

Diagram showing the chemical transmission of nerve impulses at a synapse, with labeled steps illustrating neurotransmitter release from the presynaptic terminal, movement across the synaptic cleft, binding to postsynaptic channel receptors, and resulting signal propagation in the nervous system.

Diagram showing the organization of the autonomic nervous system, with labeled pathways for parasympathetic and sympathetic nerves, highlighting synapses, neurotransmitters like acetylcholine and norepinephrine, and their receptor types.

synapse: Media

anatomy

Images

Diagram showing how nerve impulses travel between neurons at synapses, with labeled parts including axon, cell body, dendrite, axon terminal, and a detailed view of the synaptic cleft and vesicles.

Synapse

Nerve impulses pass from neuron to neuron at synapses.

Encyclopædia Britannica, Inc.

Diagram showing the chemical transmission of nerve impulses at a synapse, with labeled steps illustrating neurotransmitter release from the presynaptic terminal, movement across the synaptic cleft, binding to postsynaptic channel receptors, and resulting signal propagation in the nervous system.

Chemical transmission of a nerve impulse at the synapse

The arrival of a chemical stimulus at the presynaptic terminal stimulates the release...

Encyclopædia Britannica, Inc.

Diagram showing the organization of the autonomic nervous system, with labeled pathways for parasympathetic and sympathetic nerves, highlighting synapses, neurotransmitters like acetylcholine and norepinephrine, and their receptor types.

Figure 2: Organization of the autonomic nervous system.

Encyclopædia Britannica, Inc.

VIEW MORE in these related Britannica articles: