A plexus is a network of nerves or blood vessels.
Plexus may also refer to:
Science and medicine Nervous plexus, a branching network of intersecting nerves Choroid plexus, a network of cells that produces the cerebrospinal fluid in the ventricles of the brain Venous plexus, a congregation of multiple veins Cardiac plexus, a congregation of nerves situated at the base of the heart that innervates the heart Celiac plexus, a complex network of nerves located in the abdomen Plexus ricei, an extinct Ediacaran organism
Other uses Plexus Computers, a defunct American computer company Plexus, a 1953 novel by Henry Miller, part of The Rosy Crucifixion trilogy Plexus Publishing, an imprint of Information Today, Inc. The Plexus Rangers, characters in the comic book series American Flagg! "Plexus", a song by Joe Morris from Elsewhere, 1996