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.
Mesenteric artery bypass is a surgical procedure that creates an alternate route (bypass) for blood to flow from the aorta (bodyâs largest artery) to the mesenteric artery (artery that supplies blood to the intestines). The bypass is made from a vein or from prosthetic man-made material and is attached above and below the blocked area.