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.
East Asia defines the region between Central Asia, Russia, and the Pacific Ocean roughly up to the beginning of the Tropic of Cancer. The countries of East Asia include China, Japan, North Korea, South Korea, and Mongolia (as well as Hong Kong, Macau, and Taiwan).