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| ==Introduction== | | ==Introduction== |
− | | + | pathos is suffering; logos is reasoning/logic. |
| + | Definition 1. The science of the study of disease. |
| + | Definition 2. The scientific study of disease that is concerned with the abnormal states of the |
| + | body, with the functional disorders that accompany these states, and with the |
| + | agents and mechanisms that bring them about. |
| + | Definition 3. The study of disease including: |
| + | A. Aetiology - causal factor(s) |
| + | B. Pathogenesis - the development of the disease within the body. |
| + | C. Lesions - the observable structural changes in the tissues and fluids of the body. |
| + | D. Pathophysiology - the functional changes in diseased tissues. |
| + | E. Sequel - the consequences of the disease in the body. |
| + | F. Remote effects - the effect of disease in one tissue on other tissues in the body. |
| + | Lesions are the abnormalities or changes due to disease in living tissues. They can be |
| + | observed in |
| + | 1. the live animal, |
| + | 2. in tissues surgically removed from the live animal (biopsy/excision), or |
| + | 3. in animals soon after death (necropsy, post-mortem examination). |
| + | 9 |
| + | Descriptions of lesions are most important |
| ===Lesions=== | | ===Lesions=== |
| ====Decription of Lesions==== | | ====Decription of Lesions==== |