| AN | acanthosis nigricans; acne neonatorum; acoustic neuroma; adult, normal; ala nasi; amyl nitrate; aneu... |
|---|---|
| AVN | 1) Atrio-Ventricular Node 2) AVascular Necrosis |
| ANB | avascular necrosis of bone |
| AVN | acute vasomotor nephropathy; atrioventricular nodal [conduction]; atrioventricular node; avascular n... |
| AVNFH | avascular necrosis of the femoral head |