Meat is a concentrated source of proteins, fats, cholesterol, calories, and many vitamins and micronutrients. It contains significant amounts of B complex vitamins (thiamine, riboflavin, niacin), iron, and other minerals. It has limited amounts of calcium and fiber.
Summary Summary. Schwannomatosis is a rare form of neurofibromatosis that is primarily characterized by multiple schwannomas (benign tumors of the nervous system) in the absence of bilateral (affecting both sides) vestibular schwannomas.
Schwannoma is a cancerous tumor that occurs in the nerve sheath. The nerve sheath is a covering around the nerves in the brain and spine. Schwannoma are made up strictly of Schwann cells. These are the cells that normally produce the myelin sheath.