The Democratic-Republican Party was the American political party in the 1790s of Thomas Jefferson and James Madison formed in opposition to the centralizing policies of the new Federalist party. It came to power in 1800, and dominated national and state affairs until the 1820s, when it faded away.
Spongy bone of the diaphysis is transformed into compact bone the activity of osteoclast (remove bone and widen marrow cavity). Osteoblast lay down concentric lamellae of bone making the Haversain system [structural unit of bone].
Cancellous bone is made up of a spongy, porous, bone tissue that is filled with red bone marrow. It is not as strong as cortical bone, which is found in the long bones, but it is very important for producing blood cells.ecause osteoclasts live on the surface of bone tissue and cancellous bone has a much larger surface area than cortical bone, it is the primary bone tissue affected by osteoporosis. In healthy people, bone is constantly being remodeled as osteoclasts break down old, damaged bone and osteoblasts replace it.