Final answer:
A comminuted fracture occurs when several breaks happen in a close area of the bone, resulting in many small pieces between two large segments.
Step-by-step explanation:
A fracture that occurs when several breaks happen in a close area of the bone is called a comminuted fracture. This type of fracture results in many small pieces between two large segments of the bone. It can be caused by high impact injuries or bone diseases like osteoporosis.