In the accompanying low power photomicrograph of a healing bone fracture,the tissue designated "C" is best described by which one of the following words or phrases?

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The area labelled "C" is best described as callus or provisional callus.It is a specific type of healing and repair found only in bone,where a fibrous scar would be inadequate and lead to skeletal deformities because of collagen's lack of rigidity.Provisional callus contains chondrocytes and osteoblasts,and is eventually remodelled to form lamellar bonE

In the Accompanying Low Power Photomicrograph of a Healing Bone