abstract:Involucrum is a layer of new bone growth outside existing bone seen in pyogenic osteomyelitis. It results from the stripping off of the periosteum by the accumulation of pus within the bone, and new bone growing from the periosteum.
Light intensity influenced significantly involucrum, which distributed in the canopy with the relativelightintensity hither than 13 % of 8-year-old boos trees 10% of 15-year-old trees.