[ong-kuh-jeen] /ˈɒŋ kəˌdʒin/
any that is a causative factor in the initiation of cancerous growth.
any of several genes, first identified in viruses but present in all cells, that when abnormally activated can cause cancer
1969, from onco- + -gene, from root of Greek gignere (perf. genui) “beget,” from PIE *gen- “produce” (see genus). Related: Oncogenesis (1832).
oncogene on·co·gene (ŏng’kə-jēn)
A gene that causes the transformation of normal cells into cancerous tumor cells, especially a viral gene that transforms a host cell into a tumor cell.
A gene that causes normal cells to become cancerous either because the gene is mutated or because the gene is expressed at the wrong time in development. See Note at cancer.
Genes in animal DNA that cause cancer.
Note: Every cell contains genes that, when altered slightly, can become oncogenes.
[ong-kuh-jen-uh-sis] /ˌɒŋ kəˈdʒɛn ə sɪs/ noun 1. the generation of tumors. oncogenesis on·co·gen·e·sis (ŏng’kō-jěn’ĭ-sĭs) n. The formation and development of tumors.
[ong-kuh-jen-uh-sis] /ˌɒŋ kəˈdʒɛn ə sɪs/ noun 1. the generation of tumors. /ˌɒŋkəʊˈdʒɛnɪk/ adjective 1. causing the formation of a tumour: an oncogenic virus oncogenic on·co·gen·ic (ŏng’kō-jěn’ĭk) or on·cog·e·nous (ŏn-kŏj’ə-nəs, ŏng-) adj. Causing or tending to cause the formation and development of tumors. on’co·ge·nic’i·ty (-jə-nĭs’ĭ-tē) n. oncogenesis on·co·gen·e·sis (ŏng’kō-jěn’ĭ-sĭs) n. The formation and development of tumors.
- Oncogenic virus
oncogenic virus n. A virus capable of inducing the formation of tumors. Also called tumor virus.
[ong-kuh-juh-nis-i-tee] /ˌɒŋ kə dʒəˈnɪs ɪ ti/ noun 1. the capability of inducing tumor formation.