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"Structural problems usually come about, not as a result of mere physical trauma but as a consequence of the underlying weaknesses caused by toxicity or negative emotions."

Anthony Mossop

About The Human Skeletal System

The information on this page is about the human skeletal system and where applicable other body parts that are associated or related to the skeletal system.


A living bone consists of three layers: the periosteum, or outside Skin of the bone; the hard compact bone; and the bone marrow. If we were to cut a living bone in half, we would see that it contains various layers. First is a layer of thin, whitish skin which is packed with nerves and blood vessels and supplies the cells of which the hard bone below is built. Next is a dense, rigid bone called the compact bone. It is shaped like a cylinder and is so hard that surgeons must use a saw to cut through it. It is honeycombed with thousands of tiny holes and passageways, through which run nerves and blood vessels that supply oxygen and nutrients to the bone. This dense layer supports the weight of the body and is made up of mostly calcium and minerals, so that it feels no pain. The "skin," however, is very sensitive, so that when a bone is broken, injured nerve fibers run through the compact bone and send messages which relay the pain signals to the brain. If we cut though the compact bone, we find that its cylinder surrounds and protects the spongy bone marrow which contains a material much like gelatin. This cylinder is the medullary cavity, and is the central cavity of bone shafts. It is where yellow bone marrow (or "adipose") is produced and stored. In infants, the marrow is red because blood cell formation is taking place within these cavities. This marrow produces either red blood cells (which carry oxygen), white blood cells (which fight infection), or platelets (that help stop bleeding). These three bone layers work together with nerve signals which speed back and forth and blood streams which move between the layers. Thighbones are usually stronger, pound for pound, than reinforced concrete. An epiphyseal line refers to a strip of relatively less dense bone found in the long bones.

Skeletal Muscle

Skeletal muscles are composed of groups of muscle fibers in an orderly arrangement. A small muscle may be only a few bundles of fibers, while the major muscles in the body, such as the gluteus maximus that forms the bulk of the buttock, are made up of hundreds of bundles. Movement of the skeletal muscle is under the control of the brain. Each muscle fiber has a nerve ending that receives impulses from the brain and then stimulates the muscle, resulting in the filaments of myosin sliding over the actin filaments in about the same way as an extendable ladder moves when it is closed. This movement causes the muscle to shorten in length.

Articles / Blogs / News Related To The Human Skeletal System

The information on this website is provided for information purposes only and is not intended or recommended as a substitute for professional medical advice. Always seek the advice of your doctor/physician or other qualified health care provider regarding any medical condition or treatment. Some or all of the information on this page may be supplied by a third-party and not controlled by the DianaMossop.com website or authors and is therefore is not the responsibility of the DianaMossop.com website or its authors.


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