... constantclearing of the throat.Causes of focal damage of the recurrent laryngeal nerve include diseases of the lung, tumors in the thoracic cavity (lung cancer), aneurysm of the aorticarch, ... and oral cavity, tongue, teeth, part of external aspect of tympanic mem-brane, meninges of anterior, and middle cranial fossa.The trigeminal nuclei consist of a motor nucleus, a large sensory ... the ear. Loss of visceral function results in loss of tearing or submandibular salivary flow (10 % of cases), loss of taste (25%), andhyperacusis (though patients rarely complain of this).Supranuclear:...