unilateral paralysis of the larynx, pharynx, and velum palati with crossed hemianesthesia for pain and temperature, due to a lesion (most often infarct or neoplasm) involving either the vagal nuclei and the spinothalamic tract in the medullary tegmentum, or the vagus nerve and spinothalamic tract nerve near the jugular foramen. SYN: jugular foramen syndrome.