| AOV, AoV | aortic valve |
|---|---|
| AP | accessory pathway; accounts payable; acid phosphatase; acinar parenchyma; action potential; active p... |
| AR | absolute risk; accounts receivable; achievement ratio; actinic reticuloid [syndrome]; active resista... |
| ARA | Academy of Rehabilitative Audiometry; acetylene reduction activity; American Rheumatism Association;... |
| ARR | aortic root replacement |
| left-to-right shunt | A diversion of blood from the left side of the heart to right (as through a septal defect), or from the systemic circulation to the pulmonary (as through a patent ductus arteriosus). (05 Mar 2000) |
|---|---|
| left-to-right shunts | <radiology> Atrial septal defect, ventricular septal defect, patent ductus arteriosus, aorticopulmonary window, endocardial cushion defect, partial anomalous pulmonary venous return (12 Dec 1998) |
| lingual arch | <dentistry> An orthodontic wire attached from molar to molar in the inside of your teeth. (08 Jan 1998) |
| longitudinal arch of foot | See: medial longitudinal arch of foot, lateral longitudinal arch of foot. Synonym: arcus pedis longitudinalis, lateral part of longitudinal arch of foot. (05 Mar 2000) |
| lymph node of azygos arch | A lymph node of the posterior mediastinal group located adjacent to the arch of the azygos vein. Synonym: nodus lymphaticus arcus venae azygos. (05 Mar 2000) |