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  1. Bone - Wikipedia

    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. In the …

  2. Bone | Definition, Anatomy, & Composition | Britannica

    Feb 4, 2026 · Bone is a rigid body tissue consisting of cells embedded in an abundant hard intercellular material. Bone tissue makes up the individual bones of the skeletons of vertebrates. Its two principle …

  3. Anatomy of the Bone - Johns Hopkins Medicine

    Bones are classified by their shape. They may be long (like the femur and forearm), short (like the wrist and ankle), flat (like the skull), or irregular (like the spine). Primarily, they are referred to as long or …

  4. Bones: How Many Do Humans Have, Types, Anatomy & Function

    Oct 17, 2025 · Bones are your body’s structural support. There are between 206 and 213 bones in the body. Bone tissue is strong enough to support your weight and help you move.

  5. Bones: Types, structure, and function - Medical News Today

    Jan 26, 2024 · Bones form the scaffolding that hold the body together and allow it to move. They also help protect vital organs, store minerals, and provide an environment for creating bone marrow. By...

  6. What Is Bone? | NIAMS

    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 …

  7. Bone Anatomy | Ask A Biologist

    Feb 4, 2011 · About 80% of the bone in your body is compact. It makes up the outer layer of the bone and also helps protect the more fragile layers inside. If you were to look at a piece of compact bone …

  8. Bone Structure | Anatomy and Physiology I - Lumen Learning

    The dynamic nature of bone means that new tissue is constantly formed, and old, injured, or unnecessary bone is dissolved for repair or for calcium release. The cell responsible for bone …

  9. Bone Function: What Your Bones Do and Why They're Essential

    Jun 17, 2019 · Human beings are vertebrates, meaning that we have a spinal column, or backbone. In addition to that backbone, we also have an extensive skeletal system that’s made up of bones and …

  10. The Hip Bone - Ilium - Ischium - Pubis - TeachMeAnatomy

    Nov 6, 2025 · The hip bone is comprised of the three parts; the ilium, pubis and ischium. Prior to puberty, the triradiate cartilage separates these parts – and fusion only begins at the age of 15-17.