Jacquemier's sign - koilonychia
- Jacquemier's sign
- Jacquemin
- Jacques
- Jacquet dermatitis
- Jacquet dermatitis (erythema)
- Jacquet erythema
- jactatio
- jactatio capitis nocturna
- jactation
- jactitation
- JACV
- Jadassohn
- Jadassohn anetoderma
- Jadassohn anetoderma nevus
- Jadassohn nevus
- Jadassohn-Lewandowski Syndrome
- Jadassohn-Lewandowsky syndrome
- Jadassohn-Lewandowsky syndrome
- Jadassohn-Pellizari anetoderma
- Jadassohn-Tiиche nevus