| AA | abdominal aorta; acetic acid; achievement age; active alcoholic; active assistive [range of motion];... |
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| AAA | abdominal aortic aneurysm/aneurysmectomy; acne-associated arthritis; acquired aplastic anemia; acute... |
| AAS | Aarskog-Scott [syndrome]; acid aspiration syndrome; alcoholic abstinence syndrome; American Academy ... |
| AAW | anterior aortic wall |
| ABF | aortic blood flow; aortobifemoral |
| thoracic aortic plexus | An autonomic plexus surrounding the thoracic aorta and passing with it through the aortic opening in the diaphragm, to become continuous with the abdominal aortic plexus. Synonym: plexus aorticus thoracicus. (05 Mar 2000) |
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| familial aortic ectasia | <cardiology, syndrome> The concurrence as an autosomal dominant trait of bicuspid aortic valve often with premature calcification, ectasia and dissection of the aorta and, rarely, coarctation of the aorta. Superficially resembles the Marfan's syndrome. Synonym: familial aortic ectasia. (05 Mar 2000) |
| familial aortic ectasia syndrome | <cardiology, syndrome> The concurrence as an autosomal dominant trait of bicuspid aortic valve often with premature calcification, ectasia and dissection of the aorta and, rarely, coarctation of the aorta. Superficially resembles the Marfan's syndrome. Synonym: familial aortic ectasia. (05 Mar 2000) |
| acromial articular facies of clavicle | Synonym: acromial articular surface of clavicle. (05 Mar 2000) |
| adenoid facies | The open-mouthed and often dull appearance in children with adenoid hypertrophy, associated with a pinched nose. (05 Mar 2000) |
| Parkinson's facies | The expressionless or masklike facies characteristic of parkinsonism. Synonym: masklike face. (05 Mar 2000) |
| cherubic facies | The characteristic child-like facies seen in cherubism; also seen in glycogenosis, particularly type 2. (05 Mar 2000) |
| mitral facies | The pink, slightly cyanosed cheeks of patients with mitral valve disease. (05 Mar 2000) |
| moon facies | Roundness of the face due to increased fat deposition laterally seen in patients with hyperadrenocorticalism, either of endogenous (e.g., Cushing's disease) or exogenous origin, such as the use of cortisone-like drugs as therapy. (05 Mar 2000) |
| williams elfin-facies syndrome | <radiology> Sporadic, congenital disorder, idiopathic hypercalcaemia, supravalvular aortic stenosis, facial dysmorphism associated with, medullary nephrocalcinosis, pancreatitis (12 Dec 1998) |
| myasthenic facies | The facial expression in myasthenia gravis, caused by drooping of the eyelids and corners of the mouth, and weakness of the muscles of the face. (05 Mar 2000) |
| Corvisart's facies | <cardiology, clinical sign> The characteristic facies seen in cardiac insufficiency or aortic regurgitation; a swollen, purplish, cyanotic face with shiny eyes and puffy eyelids. (05 Mar 2000) |
| myopathic facies | Facial appearance of some patients with myopathies and with myasthenia gravis, consisting of bilateral ptosis and inability to elevate the corners of the mouth, due to muscle weakness. (05 Mar 2000) |
| Potter's facies | Characteristic facies seen in bilateral renal agenesis and other severe renal malformations, exhibiting ocular hypertelorism, low-set ears, receding chin, and flattening of the nose. See: Potter's syndrome. Synonym: Potter's disease. (05 Mar 2000) |
| hippocratic facies | Facies hippocratica, a pinched expression of the face, with sunken eyes, concavity of cheeks and temples, relaxed lips, and leaden complexion; observed in one close to death after severe and prolonged illness. Synonym: hippocratic face. (05 Mar 2000) |