Callus

  1. Bone callus is a structure formed during the regeneration of bone tissue after a violation of the integrity of the bone. First, a connective tissue provisional callus is formed; by the end of the 1st week, osteoid tissue appears, which turns either directly into bone, or first into cartilage, and then into bone. Bone callus is formed from bone-forming cells of the periosteum and endosteum. The formation of callus plays an important role in the process of healing of damaged bone. The callus, which appears as a slightly darkened area on x-ray, will eventually calcify and become molded.

  2. A callus is a thickening of the skin in areas of prolonged pressure or friction. A distinction is made between bone callus, which forms during bone regeneration, and skin callus on the skin of the feet, palms, and fingers. The callus consists of compacted layers of the epidermis that protect the underlying tissue from pressure and friction.



  1. A structure formed during the regeneration of bone tissue after damage to the integrity of the bone. First, a connective tissue provisional callus is formed; by the end of the 1st week, osteoid tissue is formed, which turns either directly into bone, or first into cartilage, and then into bone. Callus arises from bone-forming cells of the periosteum and endosteum. Callus formation plays an important role in the process of healing of damaged bone. The callus, which appears as a slightly darkened area on the radiograph, eventually calcifies and becomes molded.

  2. Callus is a thickening of the skin in areas of constant pressure or friction. Formed as a result of increased proliferation of the epidermis. Calluses most often appear on the feet, palms, and fingers.



Bone callus is an important part of the healing process of damaged bones. It consists of osteogenic tissue, which is formed as a result of bone tissue regeneration. This tissue is formed from bone cells that are produced by the periosteum and endosteum. Bone formation