Abstract :
[en] Bone is an essential part of the squeletton. Besides its mechanic properties, bone has an important role in metabolism regulation because it acts as a reservoir for the storage of minerals essential to provide homeostasy. This article describes bone morphology and different ways of classification of this tissue. It gives the composition of organic and mineral extracellular bone matrix, underlines the dynamic character of bone tissue, details the cellular morphology and the metabolism of the elements acting on the synthesis/resorption mechanisms : osteoprogenitor cells, osteoblasts, osteocyts and osteoclasts. It relates the histogenesis of bone tissue and develops the different types of ossification: intramembranous, periostic, endochondral and osteonal remodeling. The last part of this article describe some dietetary and hormonal influences on bone tissue.
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