tumor (noun)
1tumor — noun an abnormal new mass of tissue that serves no purpose (Freq. 18) • Syn: ↑tumour, ↑neoplasm • Derivationally related forms: ↑neoplastic (for: ↑neoplasm) • …
2tumor-infiltrating lymphocyte — ˈ ̷ ̷ ̷ ̷ ̷ ̷ ˈ ̷ ̷ ˌ ̷ ̷ ̷ ̷ , ˈ ̷ ̷ ̷ ̷ ˈ ̷ ̷ (ˌ) ̷ ̷ ˌ ̷ ̷ ̷ ̷ noun : a T cell that is isolated from a malignant tumor, cultured with interleukin 2, and injected back into the patient as a tumor killing cell and that has greater… …
3tumor necrosis factor — noun a proinflammatory cytokine that is produced by white blood cells (monocytes and macrophages); has an antineoplastic effect but causes inflammation (as in rheumatoid arthritis) • Syn: ↑tumour necrosis factor, ↑TNF • Hypernyms: ↑cytokine * * * …
4tumor virus — noun a cell free filtrate held to be a virus responsible for a specific neoplasm • Hypernyms: ↑virus • Hyponyms: ↑wound tumor virus, ↑WTV * * * noun : a cell free filtrate or an agent contained in such that is associated with or held to be a… …
5tumor — noun Etymology: Middle English tumour, from Latin tumor, from tumēre Date: 15th century 1. a swollen or distended part 2. an abnormal benign or malignant new growth of tissue that possesses no physiological function and arises from uncontrolled… …
6tumor necrosis factor — noun Date: 1975 a protein that is produced chiefly by monocytes and macrophages in response especially to endotoxins and that mediates inflammation and induces the destruction of some tumor cells and the activation of white blood cells …
7tumor — noun a biopsy of the tumor Syn: cancerous growth, malignant growth, cancer, malignancy; lump, growth, swelling, fibroid; Medicine carcinoma, sarcoma …
8tumor suppressor gene — noun Date: 1985 any of a class of genes (as p53) that act in normal cells to inhibit unrestrained cell division and that when inactivated (as by mutation) place the cell at increased risk for malignant proliferation …
9tumor — noun /tjuː.mə(ɹ)/ An abnormal growth; differential diagnosis includes abscess, metaplasia, and neoplasia. Syn: neoplasm …
10tumor necrosis factor — noun Any of several polypeptide hormones, produced by macrophages, that can destroy some cancer cells …