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. n. A surgical procedure used for treatment of morbid obesity, consisting of the severance of the upper stomach, anastomosis of the small upper pouch of the stomach to the jejunum, and closure of the distal part of the stomach.