Eponyms beginning with A
- Achilles' tendon reflex
- Achor-Smith syndrome
- Achorion schoenleinii
- Ackerman's syndrome
- Ackerman's tumour
- Ackermann’s carcinoma
- Acosta's syndrome
- Acree's colour test
- Acree's reaction
- Adair=Dighton syndrome
- Adamandiades-Behçet syndrome
- Adamantiades’ syndrome
- Adamczyk's acridinorange staining
- Adami's theory
- Adamkiewicz' artery
- Adamkiewicz' reaction
- Adams-Kershner syndrome
- Adams-Oliver syndrome (Forrest H. Adams)
- Adams-Stokes disease
- Adams-Stokes syncope (Robert Adams)
- Adams-Stokes syndrome (Robert Adams)
- Adams-Victor-Mancall syndrome (Raymond Delacy Adams)
- Adamson's fringe
- Addis' count
- Addis-Hamburger technique