AB Common Medical Abbreviation

Asymptomatic Bacteriuria

Abdomen

The abdomen constitutes the part of the body between the thorax and pelvis, in humans and in other vertebrates. The region occupied by the abdomen is termed the abdominal cavity. In arthropods it is the posterior tagma of the body; it follows the thorax or cephalothorax. The abdomen stretches from the thorax at the thoracic diaphragm to the pelvis at the pelvic brim. The pelvic brim stretches from the lumbosacral joint to the pubic symphysis and is the edge of the pelvic inlet.

Antibody

A specific protein that interacts with a foreign substance (antigen) in a specific way. OR A defense protein synthesized by the immune system of vertebrates. See also immunoglobulin. OR A protein produced in body in response, and specific for, a foreign substance or antigen.

Abnormal

Outside the expected norm, or uncharacteristic of a particular patient.

Asthmatic Bronchitis