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callus is a topic covered in the Taber's Medical Dictionary.

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(kal′ŭs )

[L., hardened skin]

1. A circumscribed thickening and hypertrophy of the horny layer of the skin. It may be oval or elongated, gray or brown, slightly elevated, with a smooth burnished surface. It appears on the flexor surfaces of hands and feet and is caused by friction, pressure, or other irritation.

CALLUS (on the weight-bearing portion of the foot)
SYN: SEE: callosity

Salicylic acid or careful shaving will remove the callosity temporarily. Removal is made permanent only by elimination of the cause.

2. The osseous material woven between the ends of a fractured bone that is ultimately replaced by true bone during healing.
SEE: porosis

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Venes, Donald, editor. "Callus." Taber's Medical Dictionary, 23rd ed., F.A. Davis Company, 2017. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/769102/all/definitive_callus.
Callus. In: Venes D, ed. Taber's Medical Dictionary. 23rd ed. F.A. Davis Company; 2017. https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/769102/all/definitive_callus. Accessed July 17, 2019.
Callus. (2017). In Venes, D. (Ed.), Taber's Medical Dictionary. Available from https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/769102/all/definitive_callus
Callus [Internet]. In: Venes D, editors. Taber's Medical Dictionary. F.A. Davis Company; 2017. [cited 2019 July 17]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/769102/all/definitive_callus.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - callus ID - 769102 ED - Venes,Donald, BT - Taber's Medical Dictionary UR - https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/769102/all/definitive_callus PB - F.A. Davis Company ET - 23 DB - Nursing Central DP - Unbound Medicine ER -