Maxillary vein
The maxillary vein or internal maxillary vein is a vein of the head. It is a short trunk which accompanies the maxillary artery. It is formed by a confluence of the veins of the pterygoid plexus. It and passes posterior-ward between the sphenomandibular ligament and the neck of the mandible to enter the parotid gland where unites with the superficial temporal vein to form the retromandibular vein.''''''