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Chapter 1
A & P
| Question | Answer |
|---|---|
| Anatomy | scientific discipline that investigates the body's structure |
| Physiology | scientific investigation of the processes function of living things |
| Gross Anatomy | structures exmained without a microscope |
| Regional anatomy | Studied area by area |
| Systemic Anatomy | studied system by system |
| Surface Anatomy | external form and relation to deeper structures as x-ray in anatomic imaging |
| microscopic | structures seen with the microscope |
| Cytology | study of cell anatomy |
| histology | study of tissues |
| Physiology | -reveals changing nature of living things -Considers how specific organ systems function |
| Cell Physiology | processes in cells |
| Neurophysiology | nervous system |
| Cardiovascular | the heart and blood vessels |
| Subjects that encompass both Anatomy and Physiology | -Pathology -Exercise Physiology |
| Pathology | structural and functional changes caused by pathology |
| Exercise Physiology | changes in structure and function caused by exercise |
| Structural and functional organizations | 1. Chemical ( atoms) 2. Cell 3. tissue 4. organ 5. organ system 6. organism |
| Chemical | interaction of atoms/ molecules |
| Cell | Functional unit of life |
| Tissue | a group of similar cells and surrounding material |
| Organ | one or more tissues functioning together |
| Organ System | group of organs functioning together |
| Organism | any living thing |
| Six characteristics of life | 1. Organization 2. Metabolism 3. Responsiveness 4. Growth 5. Development 6. Reproduction |
| Organization | Condition in which there are specific relationships and functions |
| Metabolism | all chemical reactions of the body |
| Responsiveness | ability to sense changes and adjust |
| Growth | increase in size and/or number of cells |
| Development | changes in an organism over time |
| Reproduction | new cells or new organisms |
| Differentiation | changes in an organism over time from general to specific |
| Morphogenesis | changes in shape of tissue or organ |
| Homeostasis | the existance and maintenace of a relatively constant enviornment within the body |
| Variables | things that can change like temperature , it fluctuates around the set point. |
| Set point | the ideal normal value of a variable |
| Feedback system components | 1. Receptor 2. Control Center 3. Effector |
| Receptor | monitors the value of some variables |
| Control Center | Establishes the set point |
| Effector | can change the value of the variable-> response |
| Negative feedback | any deviation from the set point is made smaller ( resisted) ex. regulation of blood pressure, body temperature, blood sugar |
| Positive feedback | when a deviation occurs the response is to make the deviation greater . ex. after severe bleeding blood pressure drops and keeps dropping |
| Anatomical Position | body erect, face forward, feet together, palms face forward |
| Supine | lying face up |
| Prone | lying face down |
| superior vs. Inferior | towards the head Vs. away from the head |
| Medial vs. Lateral | close to midline vs. away from midline |
| Proximal vs. Distal | towaards the body vs. away from the body |
| Superficial vs. Deep | relative to the surface of the body |
| Anterior(Ventral) vs. Posterior(Dorsal) | forward vs. towards the back |
| Body Planes | 1. Median 2. Sagittal 3. Frontal or Coronal plane 4. Transverse/Cross 5. Oblique |
| Median | through the midline |
| Sagittal | to the left or right of the midline |
| Frontal or Coronal | divides body into anterior and posterior sections |
| transverse/cross | divides body into superior and inferior sections |
| Oblique | cut at any but a right angle |
| Body Cavities | 1. Thoracic Cavity 2. Abdominal cavity 3. Pelvic cavity |
| Serous Membranes | Cover organs and line cavities |
| Serous Membranes | 1. Pericardium- heart 2. Pleura- lungs 3. Peritoneum- abdominopelvic cavity |
| Radiography | shadowy negative of internal body structures |
| Computed Tomography | computer analyzed composite of radiograph; shows slices of body |
| Ultrasound | computer-analyzed sound waves bounces off a structure |
| Magnetic Resonance Imaging | uses magnetism and radio waves |
| Positron Emission Tomography | readioactive glucose-metabolic activity |