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The Chondrocyte

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This cell is known as a chondrocyte. It is a cell found in healthy cartilage which is a part of the skeletal system. The skeletal system is mainly made up of bones. These bones support the body. Without them, the skeleton would have no structure, just a gooey mass of tissues. The skeleton has five main functions. It maintains body shape, enables movement, protects organs vital for survival, produces cells, and stores various materials to keep the body healthy. Interestingly enough, the human skeleton is not as sexually dimorphic as other fauna, although the male and female skeletons do have some differences.
The skeleton is divided into two separate categories, the axial and the appendicular skeletons. Both of these parts work together to protect the important organs found in the body. The axial skeleton, consists of the upper area of the body. In humans, it has 80 bones and is made up of the skull bones, the ear ossicles, the rib cage, the hyoid bone, the vertebral column, and the sternum. However, the appendicular skeleton is made up of 126 bones. “Appendicular” is the adjectival form of “appendage”, meaning a part of something larger. Most bones that construct the appendicular skeleton are involved with locomotion of the axial skeleton, and manipulation of objects in the upper environment. Together, these two sections make up the whole skeleton. Even though you can usually only see one at a time, bones have different layers. These are the periosteum, or the outer layer, the cortical bone, trabecular bone, and in the centre bone marrow is present. Periosteum is a membrane that covers the outer surface of almost all bones. It is made of dense irregular connective tissue, meaning its fibres are not bundled in parallel groups. ...

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...ow, 11/19/13
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