Uberon definition : Any vein serving the ear region;
Uberon Taxon note : In humans this refers to either the anterior or posterior auricular vein, passing
in front of or behind the ear. This class also groups other auricular veins, including
the greater, ventral, central auricular nerves. These may exhibit different branching
structures. In the pig, the external jugular branches to the maxillary to the caudal
auricular to the middle auricular, then onto various unique patterns;