DictionaryplexusInterwoven network
noun

plexus

PLEK-sus/plˈɛksʌs/

A network of interconnected parts, especially nerves or blood vessels.

The diagram shows a branching nerve plexus from neck to arm.

Anatomical brachial plexus: branching nerve network from neck to shoulder and arm, clear educational illustration.
Etymology

From plectere, “to braid,” plexus carries the image of strands interlaced into a network. In anatomy, those strands are nerves, vessels, or fibers rather than material woven into a braid.

In context

Muscle & Motion3:57
the brachial plexus is a network of five spinal nerves (C5 to T1). It is in charge of supplying sensory and motor innervation to the upper limb.
Brachial Plexus

More examples

  • The surgeon identified the nearby vascular plexus.
  • Several branches joined in a dense plexus.
  • The drawing traced connections within the plexus.

Forms

plexus · plexuses

Similar words

network
Network is the general structure of connections; plexus often names an anatomical network.
mesh
A mesh is an interlaced structure; plexus commonly describes branching nerves or vessels.