FMA definition : Tributary of external jugular vein, each instance of which begins in a plexus on the
side of some head, passes down behind some pinna and joins with the posterior division
of some retromandibular vein to form some external jugular vein.;
Tributary of external jugular vein, each instance of which begins in a plexus on the
side of some head, passes down behind some pinna and joins with the posterior division
of some retromandibular vein to form some external jugular vein.