Bone marrow transplant for metastatic breast cancer, Bones are your body’s structural support. It makes up the outer layer of the bone and also helps protect the more fragile layers inside. There are between 206 and 213 bones in the body. By Feb 4, 2011 · About 80% of the bone in your body is compact. Bone tissue comprises cortical bone and cancellous bone, although bones may also contain other kinds of tissue including bone marrow, endosteum, periosteum, nerves, blood vessels, and cartilage. Each bone has two types of bone tissue to ensure strength: The dense, hard outer layer is called compact or cortical bone while the inner, less dense, lattice-like bone is called cancellous, trabecular or spongy bone that is surrounded by bone marrow. They may be long (like the femur and forearm), short (like the wrist and ankle), flat (like the skull), or irregular (like the spine). They also help protect vital organs, store minerals, and provide an environment for creating bone marrow. Bone tissue is strong enough to support your weight and help you move. Bones are classified by their shape. Bone tissue makes up the individual bones of the skeletons of vertebrates. There are 206 bones in the adult human skeleton. Bone tissue comprises cortical bone and cancellous bone, although bones may also contain other kinds of tissue including bone marrow, endosteum, periosteum, nerves, blood vessels, and cartilage. Its two principle components are collagen and calcium phosphate. In the human body at birth, approximately 300 bones are present. Jan 26, 2024 · Bones form the scaffolding that hold the body together and allow it to move. If you were to look at a piece of compact bone without the help of a microscope, it would seem to be completely solid all the way through. Feb 4, 2026 · Bone is a rigid body tissue consisting of cells embedded in an abundant hard intercellular material. . Primarily, they are referred to as long or short.


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