Eponyms beginning with J
- Jarisch-Bezold reflex
- Jarisch-Herxheimer reaction
- Jatzkewitz-Pilz disease
- Jatzkewitz-Pilz syndrome
- Javal-Schiøtz keratometer
- Javal-Schiøtz ophthalmometer
- Jeanselme's nodules
- Jeanselme’s syndrome
- Jefferson's fracture
- Jefferson's syndrome
- Jeghers' syndrome
- Jennerian vaccination
- Jensen's retinopathy
- Jensen’s chorioiditis
- Jensen’s disease
- Jensen’s syndrome
- Jessner's disease
- Jessner-Cole syndrome
- Jessner-Kanof syndrome
- Jirásek-Zuelzer-Wilson syndrome
- Jochmann's serum
- Jod Basedow phenomenon
- Joffroy's reflex
- Joffroy's sign I
- Joffroy's sign II