aa

Abbreviation for arteries [TA], arteriae [TA].

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abampere; abdominal aorta; acetabular anteversion; acetic acid; achievement age; active alcoholic; active assistive [range of motion]; active avoidance; acupuncture analgesia; acute appendicitis; adenine arabinoside; adenylic acid; adjuvant arthritis; adrenal androgen; adrenocortical autoantibody; African American; aggregated albumin; [bacterial] aggregative adherence; agranulocytic angina; alcohol abuse; Alcoholics Anonymous; allergic alveolitis; alopecia areata; alveolo-arterial; aminoacetone; amino acid; aminoacyl; amyloid A; anaplastic astrocytoma; anti-arrhythmic agent; anticipatory avoidance; antigen aerosol; aortic amplitude; aortic aneurysm; aortic arch; aplastic anemia; arachidonic acid; arteries; ascending aorta; atlanto-axial; atomic absorption; Australia antigen; autoanalyzer; automobile accident; axonal arborization

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AA abbr

1) achievement age

2) Alcoholics Anonymous

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achievement age; Alcoholics Anonymous; amino acid.

[Gr. ana of each] .