The segmental ganglia (singular: s. ganglion) are ganglia of the annelid and arthropod central nervous system that lie in the segmented ventral nerve cord.
The ventral nerve cord itself is a chain of metamerism ganglia, some compressed.
This annelid-related article is a stub.
You can help Wikipedia by expanding it.This Arthropod anatomy-related article is a stub.
You can help Wikipedia by expanding it.