| a cincea boala eruptiva |
| Abandon |
| abarticular |
| abazie |
| Abbe-Wharton-Mcindoe, tehnica chirurgicala |
| abces |
| abces apical |
| abces cald |
| abces rece |
| abdomen |
| abdomen acut |
| abdomen de lemn |
| abdomen fara pregatire (radiografie) |
| abdominal |
| abdominoplastie |
| abducens |
| abductie |
| abductor |
| aberatie |
| aberatie cromozomiala |
| abiotrofie |
| ablactatie |
| ablatie |
| ablefarie |
| ablepharie |
| abortiv |
| abrahie |
| abrahiocefalie |
| abraziune |
| Abrikossoff sau Abrikosov (tumora lui) |
| abruptio placentae |
| absenta |
| absorbtie |
| absorbtiometrie bifotonica |
| absorbtiometrie duala cu raxe X |
| abstinenta |
| abulie |
| acalazie |
| acalculie |
| acantha |