Cancer Flashcards
Define benign
Non cancerous, remains encapsulated and the same cell type that it began as. Doesn’t invade surrounding tissues.
Define adenocarcinoma
Cancer that starts in glandular tissues that make fluid or mucus eg breast
Define proliferation
rapid reproduction of cells
Define angiogenesis
new blood vessels form from pre existing ones
Define oncogenes
Gene in certain circumstances can transform a cell into a tumour cell
Define neoplasm
Abnormal cells (tumour). Excessive, uncoordinated and persistent.
Define malignant
Cancerous. Neoplasm that is capable of invading surrounding tissues.
Define replicative immortality
Normal human cells can only grow and divide a number of times and undergo apoptosis when they are no longer needed
Define telomeres
compound structure at the end of chromosome
Define metastasis
development of secondary malignant growths at a distance from primary cancer site
Define proto oncogenes and oncogenes
Set of genes that normally code for proteins to start the cell cycle and cell proliferation. Oncogenes - activation on, in cancer cells oncogenes have been mutated to be constantly turned on to replicate cells, these are called oncogenes.
Define sarcomas
rare form of cancer which grows in connective tissues like bones
Define chemotherapy
cancer treatment used to kill cancerous cells
Define leukaemia
blood cancer
Define lymphoma
Group of blood and lymph tumours that develop from lymphocytes