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, an ecological zone of scorching heat, harsh winds and little water, covers much of northern Africa. Hundreds of animal species call the desert home, but scorpions are one of the most commonly associated with the arid region.