What structure forms between the ends of a broken bone and also the marrow cavities?
A) hematoma
B) internal callus
C) external callus
D) compact bone

Question

Quizplus · Accepted Answer

An internal callus is a structure that forms between the ends of a broken bone and also in the marrow cavities. It is made up of spongy bone and cartilage and serves to stabilize the fracture site. Option A (hematoma) is the initial blood clot that forms at the site of a fracture. Option C (external callus) is a structure that forms around the outside of the fracture site, made up of fibrous tissue and cartilage. Option D (compact bone) is a type of bone tissue that makes up the outer layer of bones and is formed through the process of bone remodeling.

What Structure Forms Between the Ends of a Broken Bone