Term Name:	synaptic neuropil domain
Synonyms:	fibrous neuropil, synaptic neuropil
Definition:	Region of synaptic neuropil whose boundaries are largely discontinuities in the density of presynaptic terminals: high density in the synaptic neuropil domain, lower or zero density outside this region. These boundaries often correspond to a boundary with glial sheath, tract neuropil or cortex.
Ontology:	Uberon Ontology [UBERON:6040007]