Body systems, Anatomy and Physiology.
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Created by:
ECFarnsworth on July 11, 2010
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Chapter 7, Paramedic Practice Today
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25 terms
Terms | Definitions |
|---|---|
 Anatomy | The study of the body's structure and organization. |
| Physiology | The study of how the body functions, |
| Pathophysiology | the study of functional changes with a particular syndrome or disease. |
| Homeostasis | General stability in the internal environment of the body regardless of external environment. Naturally maintained by the body's adaptive responses. Body functions controlled by homeostatic mechanisms; Heartbeat, B/P, Body Temperature, respiration, and glandular secretion. |
| Anatomic Planes | Used to describe the relation of internal body structures to the surface of the body. |
| Sagittal plane | Runs vertically through body, creating R and L Sections. |
| Transverse (Horizontal) Plane | divides body into superior and inferior sections |
| Frontal plane | Divides the body into Ventral and Dorsal sections |
| Body Regions | Organize the anatomic structures |
| Axial Skeleton | Composed of head, neck, thorax, and abdomen |
| Appendicular skeleton | Composed of extremities (limbs) Arms, Pelvic bones, Legs. |
| Viscera | the organs contained in a cavity are collectively referred to as Viscera. |
| Serous Membrane | Line each body cavity. Membranes are composed or Parietal Membrane and Visceral Membrane. |
| Parietal Membrane | adheres to the cavity wall |
| Visceral membrane | Adheres to the organ. |
| Visceral | Always used in reference to organs. |
| Two main body cavities | Ventral and Dorsal Cavity |
| Ventral cavity | Contains the majority of the organs and is divided into the thoracic cavity and the abdominopelvic cavity. |
| Thoracic Cavity | Contained in the upper part of Ventral cavity. Further subdivided into the R&L Pleural Cavities which contains the R&L Pleura (lungs) |
| Mediastinum | Separates pleural cavities, Includes the trachea, esophagus, thymus gland, Heart, and Great Vessels. |
| Pericardium | Contains heart, 2 layers of fibrous tissue. Visceral pericardium (epicardium) & Parietal Pericardium (Pericardial Sac) |
| Visceral Pericardium | Epicardium, Innermost layer and covers heart itself. |
| Parietal Pericardium | Outer layer that surrounds the heart. |
| Pericardial Cavity | Space between visceral and parietal pericardium. |
| Boarder of the thoracic cavity & abdominopelvic cavity | The Diaphragm |
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