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.
Heart bypass surgery, also known as coronary artery bypass surgery, aims to replace damaged arteries in the heart. A surgeon uses blood vessels from another area of the body to repair the damaged arteries. This surgery is used when the coronary arteries become blocked or damaged.