The neurone of the second order, which terminates in the 'neuropil' of the second ganglion (ganglion of the optic nerve).
Fibres which pass into this 'neuropil' from other parts of the brain connect them with the optic ganglion.
neuropil neu·ro·pil (nur'ə-pĭl') or neu·ro·pile (-pīl')
n.
The complex net of axonal, dendritic, and glial branchings that forms the bulk of the central nervous system gray matter of the brain and in which the nerve cell bodies are embedded.
