TUMOUR

Pronunciation (US):

(GB):

 Dictionary entry overview: What does tumour mean? 

• TUMOUR (noun)
  The noun TUMOUR has 1 sense:

1. an abnormal new mass of tissue that serves no purpose

  Familiarity information: TUMOUR used as a noun is very rare.

 Dictionary entry details 

• TUMOUR (noun)

Sense 1

Meaning:

An abnormal new mass of tissue that serves no purpose

Classified under:

Nouns denoting stable states of affairs

Synonyms:

neoplasm; tumor; tumour

Hypernyms ("tumour" is a kind of...):

growth ((pathology) an abnormal proliferation of tissue (as in a tumor))

Hyponyms (each of the following is a kind of "tumour"):

malignant neoplasm; malignant tumor; metastatic tumor (a tumor that is malignant and tends to spread to other parts of the body)

teratoma (a tumor consisting of a mixture of tissues not normally found at that site)

psammoma; sand tumor (a tumor derived from fibrous tissue of the meninges or choroid plexus or certain other structures associated with the brain; characterized by sandlike particles)

plasmacytoma (neoplasm of plasma cells (usually in bone marrow))

pinealoma (tumor of the pineal gland)

phaeochromocytoma; pheochromocytoma (a vascular tumor of the adrenal gland; hypersecretion of epinephrine results in intermittent or sustained hypertension)

neuroma (any tumor derived from cells of the nervous system)

neurilemoma; neurofibroma (tumor of the fibrous covering of a peripheral nerve)

meningioma (a tumor arising in the meninges which surround the brain and spinal cord; usually slow growing and sometimes malignant)

acanthoma; skin tumor (a neoplasm originating in the epidermis)

adipose tumor; lipoma (a tumor consisting of fatty tissue)

granuloma (a tumor composed of granulation tissue resulting from injury or inflammation or infection)

celioma (an abdominal tumor)

carcinoid (a small tumor (benign or malignant) arising from the mucosa of the gastrointestinal tract; usually associated with excessive secretion of serotonin)

brain tumor; brain tumour (a tumor in the brain)

blastocytoma; blastoma; embryonal carcinosarcoma (a tumor composed of immature undifferentiated cells)

benign tumor; benign tumour; nonmalignant neoplasm; nonmalignant tumor; nonmalignant tumour (a tumor that is not cancerous)

angioma (a tumor consisting of a mass of blood or lymphatic vessels)

 Context examples 

In doing so, they identified an important role in the tumours for particular types of molecules known as receptor tyrosine kinases (RTKs) in sustaining growth and survival of DFT cancers.

(Human anti-cancer drugs could help treat transmissible cancers in Tasmanian devils, University of Cambridge)

Invasion and metastases are promoted by several factors that alter the tumour microenvironment, including the aberrant expression of E-cadherins (E-cad), matrix metalloproteinases (MMPs), angiogenic factors such as vascular endothelial growth factor (VEGF).

(Bladder Cancer Pathway, NCI Thesaurus/KEGG)

It looks like the tumour was exposed to something thousands of years ago that caused changes to its DNA for some length of time and then disappeared.

(The curious tale of the cancer ‘parasite’ that sailed the seas, University of Cambridge)

Over time, the number of errors accumulates leading to uncontrolled cell growth – the development of tumours.

(‘Fingerprint database’ could help scientists to identify new cancer culprits, University of Cambridge)

A cancer, a tumour, or something of that nature,—a thing that devours and destroys.

(The Sea-Wolf, by Jack London)

FAP is a 95 kDa cell surface glycoprotein and an inducible tumour stromal antigen of epithelial cancers and of a subset of soft tissue sarcomas.

(Monoclonal Antibody F19, NCI Thesaurus)

Inactivation of the SMAD4 tumour suppressor gene leads to loss of the inhibitory influence of the transforming growth factor-beta signaling pathway.

(Pancreatic Cancer Pathway, NCI Thesaurus/KEGG)

During step 1, the conditioning regimen (irradiation and/or chemotherapy) leads to damage, activation of host tissues and induction of inflammatory cytokines [tumour necrosis factor (TNF-alpha) and interleukin (IL-1)] secretion.

(Graft-Versus-Host Disease Pathway, NCI Thesaurus/KEGG)

Once inside, the catalyst converts the inactive panobinostat into its active and toxic form, thus killing off the tumour cell just where we want: right inside the tumour cell.

(Scientists successfully deliver “Trojan horse” catalysts into cancerous tumour cells to destroy them from within, Universities of Granada)

The results could also be applied to other conditions including brain tumours and Parkinson’s disease.

(Electronic device implanted in the brain could stop seizures, The Titi Tudorancea Bulletin)