| aortic valve prolapse | Aortenklappenprolaps |
| aortic valve prosthesis | Aortenklappenprothese |
| aortic valve replacement | Aortenklappenersatz |
| aortic valve retractor | Aortenklappenretraktor |
| Aortic valve stenosis | Aortenstenose |
| aortic valves | Aortenklappen |
| aortic valvular disease | Aortenklappenerkrankung |
| aortic valvular incompetence | Aortenklappeninsuffizienz |
| aortic valvular insufficiency | Aortenklappeninsuffizienz |
| aortic valvular stenosis | Aortenklappenstenose |
| aorticopulmonary | aortikopulmonal |
| aortitic | aortitisch |
| aortitis | Aortaentzündung |
| aortoangiography | Aortoangiografie |
| aortoarteriography | Aortoarteriographie |
| aortocoronary | aortokoronar |
| aortocoronary bypass | aortokoronarer Bypass |
| aortofemoral | aortofemoral |
| aortogram | Aortogramm |
| aortographic | aortografisch |
| aortography | Aortografie |
| aortoiliac | aortoiliakal |
| aortoiliac occlusive disease , AOD | aortoiliakale Verschlusskrankheit |
| aortoiliacal occlusion | aortoiliakaler Arterienverschluss |
| aortopathy | Aortenerkrankung |
| aortoptosia | Aortensenkung |
| aortoptosis | Aortensenkung |
| aortorenal | aortorenal |
| aortorrhaphy | Aortennaht |
| aortosclerosis | Aortensklerose |
| aortosclerotic | aortensklerotisch |
| aortostenosis | Aortenstenose |
| aortotomy | Aortenschnitt |
| Aosta | Aosta |
| Aosta Valley | Aostatal |
| Aotearoa | Aotearoa |
| Aoudaghost | Aoudaghast |
| Aouzou Strip | Aouzou-Streifen |
| AOX value | AOX-Wert |
| AP | AP |
| AP : American plan | Vollpension |
| AP : Associated Press | amerikanische Nachrichtenagentur |
| AP stain | AP-Färbung |
| apace | rasch |
| Apach | Apach |
| Apache | Apache |
| Apache Ant | Ant |
| Apache Blood | Apachenblut |
| Apache Drums | Trommeln des Todes |
| Apache Fury | Überfall auf Fort Yellowstone |
| Apache Gold | Winnetou - 1. Teil |
| Apache HTTP Server | Apache HTTP Server |
| Apache Junction | Apache Junction |
| Apache leader | Apachenführer |
| Apache License | Apache-Lizenz |
| Apache Maven | Apache Maven |
| Apache POI | Jakarta POI |
| Apache Rifles | Aufstand in Arizona |
| Apache Struts | Struts |
| Apache Tomcat | Apache Tomcat |
| apadoye | Apadoye |
| apadravya | Apadravya |
| Apahida | Apahida |
| apallic | Apalliker |
| apallic syndrome | apallisches Syndrom |
| Apamea | Apameia am Orontes |
| apanage | Apanage |
| apancrea | Pankreasaplasie |
| apapane | Apapane |
| Aparados da Serra National Park | Aparados da Serra |
| Aparajito | Apus Weg ins Leben - 2.: Der Unbesiegbare |
| apart | fort |
| apart from | abgesehen von |
