Spongy bones is the name given to the ends of the long bones that are composed of the open lattice. Marrow is present between the open spaces that are present in them. Most of the blood cells are formed in this marrow. Here, no concentric organisation is present as it is present in the Haversian canal. Trabeculae is present in them. It is a network of irregular shaped bony plates. Lamellae are arranged irregularly in the trabecula and then in between them, lacunae are present. Spongy bones are also known as cancellous bones. They are also found in the epiphysis. This means that they are found at the end of long bones.