Eponyms beginning with S
- Sheath of Key and Retzius
- Sheehan's syndrome
- Sheehan’s syndrome
- Sheldon-Ellis syndrome
- Shenton's line
- Sherren's triangle
- Sherrington's law I
- Sherrington's law II
- Shiga-Kruse bacillus
- Shiga-Kruse disease
- Shiga-Kruse dysentery
- Shiga’s bacillus
- Shigella
- Shigella boydi
- Shigella dysenteriae
- Shigella dysentery
- Shigella flexneri
- Shigella sonnei
- Shirodkar's knot
- Shirodkar's suture
- Shirodkar's technique
- Shrapnell's membrane
- Shulman's syndrome
- Shurygin's reflex
- Shwachman-Bodian syndrome