Look up callus in Wiktionary, the free dictionary.

Callus is an area of toughened skin.

Callus may also refer to:

• Fibrocartilage callus, the temporary new bony tissue that forms at the ends of a fractured bone
• Callus (botany), a fleshy lump of tissue on the labellum (or lip) of orchid flowers
• Callus (cell biology), a mass of unorganized cells
• Callus (mollusc), a thickened layer of shell material
• Callus (album), a 2016 album by Gonjasufi

See also

• Calus (disambiguation)
• Callús, a municipality in Catalonia, Spain
• Thick skin (disambiguation)
• Callous, a trait where a person lacks empathy, or at least ignores it; hardhearted

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