Assertion: callus | /r/AtLocation | finger
Facets:
Source sentences:
text: Some symptoms of the more common causes of hyperkeratosis include: Calluses : A callus is an area of thickened skin that usually occurs on the feet, but can also grow on the fingers.
text: : A callus is an area of thickened skin that usually occurs on the feet, but can also grow on the fingers.