Ganglion

Definition

A ganglion is a structure containing a number of nerve cell bodies, typically linked by synapses, and often forming a swelling on a nerve fiber. It serves as a sort of "processing center" for nerve signals within the peripheral nervous system.

Related terms

Neuron:

A neuron is a cell within the nervous system that transmits information to other nerve cells, muscle, or gland cells.

Peripheral Nervous System (PNS): The PNS is the part of the nervous system that consists of the nerves and ganglia outside of the brain and spinal cord.

Synapse:

A synapse is the junction between two neurons or between a neuron and a muscle or glandular cell, where electrical or chemical signals are transmitted