Callus

(kal;-us) [L.]. I. A callosity; hardened and thickened skin. 2. The new growth of incomplete o eous ti ue that surrounds the ends of a fractured bone during the proce of repair. C, Permanent, the permanent bond of bony union after reabsorption of the C. Provisional, or cartilage like, plastic material first thrown out. C. of Skin, induration and thickening of the skin. 165