Pituitary adenomas are tumors that occur in the pituitary gland. Thyroid cancer is cancer that develops from the tissues of the thyroid gland. The glossopharyngeal nerve has parasympathetic fibers that innervate the parotid salivary gland. These adenomas are on the anterior pituitary gland. Secondary endocrine disease is indicative of a problem with the pituitary gland. The hypothalamus leads on to the pituitary gland. Thyroiditis is the inflammation of the thyroid gland. This is regulated partly through control of secretion of hormones from the pituitary gland. Endorphins are produced in the pituitary gland. An enlarged thyroid gland is called a goitre. Sildenafil enhances electrically evoked oxytocin release from the pituitary gland. Addison's disease is an endocrine disease that results from hypocortisolism caused by adrenal gland insufficiency. Tumors of the pineal gland are called pinealomas. This can be due to injury to the hypothalamus or pituitary gland or genetics. Pathogenic process occurs due to circulating CD8 lymphocytes within the salivary gland.