neuropil
/ˈnʊrəpɪl/
noun
- The dense network of nerve fibers and connections between neurons in the brain and spinal cord.
- Under a microscope, the neuropil looks like a tangled web of tiny threads.
- Damage to the neuropil can disrupt signals between different parts of the nervous system.
- The neuropil contains thousands of synapses that allow brain cells to communicate.