Book excerpt: This text is divided into sections in order to present an osteopathic approach to dysfunction manifesting in a particular system pertinent to a common clinical presentation. The divisions are grouped by their common autonomic and lymphatic elements. The purpose of the book is to explore selected structural and functional consideration which may produce symptoms or compromise homeostasis. It also demonstrates, by example, clinical application of the osteopathic philosophy in selected situation. Lastly, it attempts to show where osteopathic manipulative treatments can be prescribed as primary or adjunctive modalities available to the DO as they assist patients in reaching their maximum health potential.