Eponyms beginning with A
- Allen-Hines syndrome (Edgar Van Nuys Allen)
- Allen-Masters syndrome
- Allgrove's syndrome
- Allingham's ulcer
- Allis' sign
- Allis' tweezers or clamp
- Allison's syndrome
- Allison-Johnstone anomaly
- Allison-Johnstone disease
- Allison’s atrophy
- Almquist's unit
- Almquist-Klose unit
- Alpers' disease
- Alport's syndrome
- Alquié-Alexander operation
- Alsever's solution
- Also known as Abadie's sign of tabes dorsalis
- Also known as Goodpastures's stain
- Also known as Jod Basedow effect
- Alström's syndrome
- Alström-Hallgren syndrome
- Alström-Olson Syndrome
- Altmann's fixation
- Altmann's solution
- Altmann-Schridde granules