Podiatrist Podiatrist A podiatrist, also known as a podiatric physician (/poʊˈdaɪətrɪst/ poh-dye-eh-trist) or "foot and ankle surgeon", is a medical professional devoted to the study and medical treatment of disorders of the foot, ankle and lower extremity. The term originated in North America, but has now become the accepted term in the English-speaking world for all practitioners of podiatric medicine. In the United States, Doctors of Podiatric Medicine (DPM) are doctors who practice on the lower extremities, primarily on feet and ankles. The preparatory education of most podiatrists includes four years of undergraduate work, followed by four years in an accredited
Composition of the human body viewed on an atomic and molecular scale as shown in this article. The estimated gross molecular contents of a typical 20-micrometre human cell is as follows: Body composition can also be expressed in terms of various types of material, such as: There are many species of bacteria and other microorganisms that live on or inside the healthy human body. In fact, 90% of the cells in (or on) a human body are microbes, by number (much less by mass or volume). Some of these symbionts are necessary for our health. Those that neither help nor harm humans are called commensal