T in Research
- Tight skin contracture syndrome- lethal
- Tiglic acidemia
- Timothy syndrome
- Togaviridae disease
- Tollner Horst Manzke syndrome
- Tolosa-Hunt syndrome
- Tomaculous neuropathy
- Tome Brune Fardeau syndrome
- Tongue neoplasm
- Toni-Debre-Fanconi syndrome
- Toni-Fanconi syndrome
- Tonoki syndrome
- TORCH syndrome
- Toriello Lacassie Droste syndrome
- Toriello syndrome
- Toriello-Carey syndrome
- Toriello-Higgins-Miller syndrome
- Torsion dystonia
- Torsion dystonia 7
- Torsion dystonia with onset in infancy