Physiology of Osseous Tissue

Objectives

When you have completed this section, you should be able to

  • explain how minerals are deposited in bone tissue and removed from it;
  • discuss the role of the bones in regulating blood calcium and phosphate levels;

Saladin: Anatomy & 7. Bone Tissue Text © The McGraw-Hill

Physiology: The Unity of Companies, 2003 Form and Function, Third Edition

230 Part Two Support and Movement

  • describe how vitamin D is synthesized and how it affects the bones; and
  • list other hormones that affect bone physiology and state their effects.

Even after a bone is fully formed, it remains a metaboli-cally active organ with many roles to play. Not only is it involved in its own maintenance, growth, and remodeling, it also exerts a profound influence on the rest of the body by exchanging minerals with the tissue fluid. Disturbances of calcium homeostasis in the skeleton can disrupt the functioning of other organ systems, especially the nervous and muscular systems. For reasons explained later, such disturbances can even cause a person to die of suffocation. At this point, we turn our attention to the physiology of mature osseous tissue.

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Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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