Retromandibular vein


The retromandibular vein, formed by the union of the superficial temporal and maxillary veins, descends in the substance of the parotid gland, superficial to the external carotid artery but beneath the facial nerve, between the ramus of the mandible and the sternocleidomastoideus muscle.
It divides into two branches:
Parrot's sign is a sensation of pain when pressure is applied to the retromandibular region.

Additional images