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.
This surgery is called a bypass surgery. In a bypass surgery, part of an artery is taken from some other part in the body and replaces the blocked artery. The arteries are often taken from the leg of the patient. This replacement enables proper blood flow again and reduces the threat of a heart attack.