Check your grammar now! : a complex sphincter closing the duodenal orifice of the common bile duct.
This Living Encyclopedia of East Africa is intended to provide information on the countries that primarily make up Swahili-speaking region of East Africa in a concise form. These countries are Kenya, Tanzania, Uganda, Rwanda, and Burundi.
The Middle East is a historical and political region of Africa-Eurasia with no clear definition; it traditionally includes countries or regions in Southwest Asia and parts of North Africa. The corresponding adjective to Middle East is Middle-Eastern and the derived noun is Middle-Easterner.