Jugular is a general name for any structure in the neck, but is especially applied to three large veins, the anterior, external and internal jugular veins, which convey blood from the head and neck regions to the interior of the chest.
adj. relating to or supplying the neck or throat.
One of 3 veins on each side of the neck that return deoxygenated blood from the head to the heart. The internal jugular, the largest of the 3 (internal, external, and anterior), arises at the base of the skull, travels down the neck alongside the carotid arteries, and passes behind the clavicle, where it joins the subclavian vein (the large vein that drains blood from the arms).... jugular vein