subclavian (nerve) plexus

sub·cla·vi·an (nerve) plex·us

the autonomic plexus accompanying the artery of this name, formed by fibers from the stellate ganglion, and giving off secondary plexuses along the branches of the subclavian artery. Synonym(s): periarterial plexus of subclavian artery, plexus periarterialis arteriae subclaviae