AP

• abdominal pain;

• abdominal [voiding] pressure;

• abdominoperitoneal;

• accelerated phase;

• accessory pathway;

• accounts payable;

• acid phosphatase;

• acinar parenchyma;

• action plan;

• action potential;

• activator protein;

• active pepsin;

• active pressure;

• acute pancreatitis;

• acute phase;

• acute pneumonia;

• acute proliferative;

• adductor pollicis [muscle];

• adenomatous polyposis;

• adolescent psychiatry;

• after parturition;

• agno protein;

• alkaline phosphatase;

• alum precipitated;

• aminopeptidase;

• aminopyrine;

• amyloid P-component;

• amyloid peptide;

• anatomic profile;

• angina pectoris;

• antepartal [Lat. ante partum];

• anterior pituitary;

• anteroposterior;

• antidromic potential;

• antiplasmin;

• antipyrine;

• antiviral protein;

• antral peristalsis;

• aortic pressure;

• aortopulmonary;

• apical pulse;

• apothecary;

• appendectomy;

• appendicitis;

• appendix;

• apurinic acid;

• apurinic/apyrimidinic [site in DNA];

• area postrema;

• arithmetic progression;

• arterial pressure;

• artificial pneumothorax;

• aspiration pneumonia;

• assessment and plans;

• association period;

• atherosclerotic plaque;

• atrial pacing;

• atrioventricular pathway;

• attending physician;

• axiopulpal;

• before parturition [Lat. ante partum]