👉 Decalcified is a medical term that refers to bone tissue that has been removed from an adult or child's skeleton and placed back in place, but with its original structure intact. This process is often used during surgery to replace missing bones, which can help prevent further damage to the surrounding tissues. In simpler terms, decalcified bone tissue is a type of bone tissue that has been removed from the body and reinserted into the same area, preserving the structural integrity of the remaining bone while