(source : Wikipédia)In anatomy, a plexus (from the Latin term for 'braid') is a branching network of blood vessels, lymphatic vessels, or nerves. The nerves are typically axons outside the central nervous system.
The standard plural form in English is plexuses.
The four primary nerve plexuses are the cervical plexus, brachial plexus, lumbar plexus, and the sacral plexus.
The choroid plexus is a part of the central nervous system in the... plus
