Eponyms beginning with U
- Unna-Pappenheim stain
- Unna-Politzer naevus
- Unna-Taenzer disease
- Unna-Thost syndrome
- Unna’s nevus
- Unterberger Tretversuch (German)
- Unterberger's test
- Unterberger-Versuch (German)
- Unverricht's disease
- Unverricht's fistula
- Unverricht-Lafora disease
- Unverricht-Lundborg disease
- Unverricht-Lundborg syndrome
- Unverricht-Lundborg syndrome
- Unverricht-Lundborg-Lafora syndrome
- Unverricht-Lundborg-Lafora syndrome
- Unverricht-Wagner syndrome
- Upshaw factor deficiency syndrome
- Upshaw-Schulman syndrome
- Urbach-Königstein method
- Urbach-Königstein reaction
- Urbach-Wiethe disease
- Urbach’s syndrome
- Usher's syndrome
- Ustinov's time syndrome