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Unformatted text preview: MCDB 3150 2010 Lecture 2: Pathology I Mammalian Cell Biology Organs are groups of cells that perform specific functions, each with its own role. MCDB 3150 2010 Review • Cancer is a leading cause of death • Age-adjusted rates of death have not changed • Carcinomas • epithelial cells • Sarcomas • soft tissue-Leukemias and Lymphomas most common • Neural origin cancer-uncommon 1 2 MCDB 3150 2010 Cancer Terms • Tumor- uncontrolled GROWTH benign or malignant • Neoplasm-contains tumors and is abnormal growth-does not have to be uncontrolled • Cancer-includes malignant tumors (usually carcinomas) and leukemias/lymphomas (often do not form tumors). MCDB 3150 2010 The Central Tenet of Cell Biology • All living organisms are comprised of cells • Cells can only arise from other cells • Cells replicate by cell division 3 MCDB 3150 2010 Cancer Terms • Tumor- uncontrolled GROWTH benign or malignant • Neoplasm-contains tumors and is abnormal growth-does not have to be uncontrolled...
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This note was uploaded on 03/06/2010 for the course MCDB 3150 taught by Professor Staff during the Spring '08 term at Colorado.
- Spring '08
- cell biology