Subperiosteal: What It Means, Why It Matters, and Where We See It in Real Life

Our body is built in layers. Skin sits on fat. Fat sits on muscle. Muscle wraps around bone. And bone, in many places, has its own “cover.” That cover is the periosteum. It is thin. It is tough. It is full of tiny blood vessels. It also has nerves. So it can hurt a lot…