The fornix.
The bundle of nerves connecting various parts of the limbic system is called the fornix. It plays a key role in connecting structures like the hippocampus and the hypothalamus, allowing for communication within the limbic system.
terminal buttons, the gap between the nerves is the synapse. The small parts at the top of the nerve cell are called dendrites
The group of nerves that extend down the back is called the spinal nerves. These nerves originate from the spinal cord and control sensation and movement in different parts of the body.
association tract
the longest part of a nerve cell is called the Axon.
Bundles of axons are called nerves. Nerves transmit electrical signals between the brain and other parts of the body.
Studies have found that individuals who had parts of the limbic system that were deteriorated may have suffered from what condition? alzheimers disease
These "channels " are actually nerves termed as Afferent and Efferent nerves usually called motor and sensory nerves.
A bundle of parallel neurons in the central nervous system is called a tract. Tracts are groups of axons that are organized together and carry specific types of information to different parts of the brain or spinal cord.
Neuron
That would be the peripheral nervous system.
Cingulate gyrus, hippocampal formation, amygdala and septum