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19 Cards in this Set
- Front
- Back
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What is Pathology? What is clinical pathology?
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Pathology is the study of disease. Clinically it is the analysis of body fluids and tissues for diagnostic purposes.
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What is Disease?
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Any structural or functional change judged to be abnormal in that it produces manifestations (Symptoms or signs)
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Symptom
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What a patient feels and reports to the examiner. Can be both objective or subjective.
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Sign
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What the examiner observes. Only objective.
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Etiology
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the study or theory of the causes of a disease
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Pathogenesis
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Sequence of events that lead from the cause of a disease to its manifestations.
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Totipotent
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"All powerful" cells that differentiate into pluripotent cells which in turn differentiate into multipotent cells.
Ex. Twins |
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What is an example of where differentiation still occurs in adults?
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Bone marrow
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Neoplasia
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A pathological condition in which cells grow in uncontrollable and purposeless ways, often with a loss of differentiated functions.
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What are characteristics of undifferentiated cells?
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Large nucleus with little cytoplasm.
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What are the two types of cells talked about?
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Epithelial and Mesenchymal
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What are two types of epithelial cells?
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Lining Epithelium
Secretory Epithelium |
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How are epithelial cells bound together?
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Tightly bound together on the basement membrane.
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Where can mesenchymal cells be found?
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Tendons, bones, cartilage
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Difference between mesenchymal and epithelial cells?
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Mesenchymal cells are more widely distributed.
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Mesenchymal cells are embedded in a connective tissue matrix called?
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Stroma
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What is the stroma composed of?
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Collagen and elastin
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What produces the stroma?
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Fibroblasts
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Difference between eukaryotic and prokaryotic cells.
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Eukaryotic has a nuclear membrane while prokaryotic does not.
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