This book provides an overview of skeletal biology from the molecular level to the organ level, including cellular control, interaction and response; adaptive responses to various external stimuli; the interaction of the skeletal system with other metabolic processes in the body; and the effect of various disease processes on the skeleton. The book also includes chapters that address how the skeleton can be evaluated through the use of various imaging technologies, biomechanical testing, histomorphometric analysis, and the use of genetically modified animal models.