Major geographical features of Botswana. The Kalahari a waterless place, a vast arid to semi-arid area in Southern Africa covering much of Botswana and parts of Namibia and South Africa.
Medical Definition of bypass. : a surgically established shunt cardiopulmonary bypass of blood from the right atrium to the aorta; also : a surgical procedure for the establishment of a shunt âWhen a bypass is performed on more than one coronary artery or branch, the number of times (double, triple, etc.) is often specified. bypass.
Gastric bypass surgery -- the most common type is called Roux-en-Y gastric bypass -- is a form of weight loss surgery in which the doctor permanently reduces the size of the stomach to a small pouch, then attaches a tube of intestine to the pouch, bypassing about two feet of intestines.