| ADO | adolescent medicine; axiodisto-occlusal |
|---|---|
| ALO | average lymphocyte output; axiolinguo-occlusal |
| AMO | assistant medical officer; axiomesio-occlusal |
| AO | abdominal aorta; achievement orientation; acid output; acridine orange; ankle orthosis; anodal openi... |
| BO | Bachelor of Osteopathy; base of prism out; behavior objective; belladonna and opium; body odor; bowe... |