Skeleton Medical Illustrations

Anatomy of Bones, Skeleton and Structure

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Skeleton Medical Illustrations

The human skeleton is a remarkable structure, and will form the basis for many a medical drawing. It is after all the scaffold of the human body that performs many functions and provides the framework which supports the body and maintains its shape.

The pelvis skeletal anatomy along with its and associated ligaments and muscles provide a floor for the pelvic structures. Without the skeletal ribs, costal cartilages, and the intercostal muscles the heart would be unprotected by the skeleton and prone to collapse. The skeleton also protects organs such as the brain via the skull and the vertebrae protect the spinal cord.

The bones of the skeleton also produce blood cell production taking place in the red blood cells bone marrow.  The majority of red blood cells, platelets, and most of the white blood cells are formed in the red marrow. Red blood cells are produced by cores of bone marrow in the heads of long bones in a process known as hematopoiesis.

As a support structure the skeleton is enabled to move through joints and powered by the skeletal muscles which are attached to the skeleton at various and specific points.

Anatomical Facts about the Human Skeleton

A few interesting anatomical facts are that there are many differences between the male and female human skeleton. Most prominent is the difference in the size of the female pelvis, due to the need for child birth. The female pelvis is flatter, more rounded and proportionally larger to allow the head of a foetus to pass during childbirth. Plus the female’s skeleton tends to have a narrower rib cage with less pronounced mandibular features.

Bones manufacture blood cells called haematopiesis plus they store minerals, within the bone matrix. Such as calcium and is involved in calcium metabolism, and bone marrow can store iron in ferrotin and is involved in iron metabolism. Bone structure is made up of a mixture of chondroitin sulfate and hydroxyapatite making up 70% of the bone.

Need medical illustrations of bony anatomy, the skull or the spine?

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