A callus (or callosity) is a toughened area of skin which has become relatively thick and hard in response to repeated friction, pressure, or other irritation. Rubbing that is too frequent or forceful will cause blisters rather than allow calluses to form. Since repeated contact is required, calluses are most often found on feet because of frequent walking. Calluses are generally not harmful, but may sometimes lead to other problems, such as skin ulceration or infection.
Read more about Callus: Causes, Corns, Prevention, Treatment, Diabetes, Other Meanings
Famous quotes containing the word callus:
“I see the callus on his sole,
The disappearing last of him
And of his race starvation slim,
Oh, years ago—ten thousand years.”
—Robert Frost (1874–1963)
“That is mere sentimentality that lies abed by day and thinks itself white, far from the tan and callus of experience.”
—Henry David Thoreau (1817–1862)