noun, Pathology. 1. the accumulation of excessive ketones in the body, as in diabetic acidosis. Origin of ketosis. 1915-1920.
Climate zones of Africa, showing the ecological break between the hot desert climate of the Sahara Desert (red), the hot semi-arid climate of the Sahel (orange) and the tropical climate of Central and Western Africa (blue).
The Sahara Desert covers most of North Africa. The Sahara Desert is the largest subtropical hot desert and third largest desert in the world, after Antarctica and the Arctic.he Sahara Desert is located in North Africa and covers the following countries and territories (either in part or fully): Algeria Chad Egypt Lybia Mali Mauritania Morocco Niger Sudan Tunisia Western Sahara (This is not a country, its a territory mainly under the control of Morocco) It does not â¦.