A thyroid nodule is a growth within the thyroid gland, which may or may not be felt by physical exam. Some nodules are only found incidentally on imaging of the thyroid. Thyroid nodules are very common and by age 60 almost one-half of all people will have a thyroid nodule.
Geography The Aures mountains are the eastern continuation of the Saharan Atlas . They are located at a lower elevation than the High Atlas mountains of Morocco . The highest peak in the Aures range is Djebel ChÃ©lia in Khenchela Province , which sits at 2,328 metres (7,638 ft).
Geography of the Sahara Desert. There are also several mountain ranges within the Sahara and many are volcanic. The highest peak found in these mountains is Emi Koussi, a shield volcano that rises to 11,204 ft (3,415 m). It is a part of the Tibesti Range in northern Chad.he Sahara Desert is located in the northern portion of Africa and covers over 3,500,000 square miles (9,000,000 sq km) or roughly 10% of the continent (image) .