| clavus | 1. A small conical callosity caused by pressure over a bony prominence, usually on a toe. Synonym: corn, heloma. 2. Obsolete term for a condition resulting from healing of a granuloma of the foot in yaws, in which a core falls out, leaving an erosion. Origin: L. A nail, wart, corn (05 Mar 2000) |
|---|---|
| clavus hystericus | Severe head pain, sharply defined, and typically described as feeling like a nail being driven into the head; usually regarded as a conversion symptom. Origin: L. Clavus, nail (05 Mar 2000) |