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12 Cards in this Set

  • Front
  • Back
uncontrolled proliferation of cells that express varying degrees of fidelity in their precursors
any of the various types of malignant neoplasms that derive from epithelial tissue, classified accord. to invasiveness and changes that indicate anaplasia, may be undifferentiated or resemble the tissue from which it derives
any of various, highly malignant, neoplasms of CT
direct extension or spread of a tumor within the tissue of origin, with penetration of the BM of host tissue and surrounding extracellular env.
transfer of malignant cells from one site to another not directly connected to it
benign tumor
does not invade adj. tissue borders or spread to distant sites, suffix "oma"
malignant tumor
tumor that invades/metastasizes where subpop. of tumor cells proliferate, suffix "carcinoma" to indicate epithelium or "sarcoma" to indicate mesenchymal
lack of differentiation in a cancer cell
carcinoma in situ
localized malignant tumor that has not yet acquired invasive potential
agents that can permanently alter genetic constitution of a cell
tumorigenic and transforming DNA sequences in human tumors that are mutants of normal proto-oncogenes which control growth and differentiation
tumor-suppressor gene
mutation that creates a deficiency of a normal gene product which controls cellular proliferation causing tumor formation