| / English Dictionary |
TUMOUR
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
An abnormal new mass of tissue that serves no purpose
Synonyms:
Classified under:
Nouns denoting stable states of affairs
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"):
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)
malignant neoplasm; malignant tumor; metastatic tumor (a tumor that is malignant and tends to spread to other parts of the body)
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)
acanthoma; skin tumor (a neoplasm originating in the epidermis)
Context examples:
Medulloblastoma, a tumour of the central nervous system, affects one in every 200,000 children and adolescents worldwide and represents 20 per cent of all childhood brain tumours.
(New method to classify brain tumour in children, SciDev.Net)
Moreover activated mast cells and Th2 cells in the lung generate the cytokines interleukin IL-4, IL-13 and tumour necrosis factor (TNF)-alpha.
(Asthma Pathway, NCI Thesaurus/KEGG)
In secondary GBM, loss of p53 and activation of the growth-factor-receptor-tyrosine-kinase signaling pathway (such as through overexpression of PDGF/PDGFR ) initiates tumour formation, whereas disruption of the retinoblastoma (RB) pathway contributes to the progression of tumour development.
(Glioblastoma Multiforme Pathway, NCI Thesaurus/KEGG)
So we will have to wait for 2015 to know whether this device in the usage and the waves it creates around citizens, we will have to wait for 2015 to know whether it causes tumours in a statistically significant way.
(Health threats caused by mobile phone radiation, EUROPARL TV)
I could plainly discover whence one family derives a long chin; why a second has abounded with knaves for two generations, and fools for two more; why a third happened to be crack-brained, and a fourth to be sharpers; whence it came, what Polydore Virgil says of a certain great house, Nec vir fortis, nec foemina casta; how cruelty, falsehood, and cowardice, grew to be characteristics by which certain families are distinguished as much as by their coats of arms; who first brought the pox into a noble house, which has lineally descended scrofulous tumours to their posterity.
(Gulliver's Travels into several remote nations of the world, by Jonathan Swift)
The team studied the genetic and physical features of the tumours, and compared the two lineages with each other and with human cancers.
(Human anti-cancer drugs could help treat transmissible cancers in Tasmanian devils, University of Cambridge)
This implies that the tumour will be accumulating more and more potentially damaging mutations over time, making it less and less fit to its environment.
(The curious tale of the cancer ‘parasite’ that sailed the seas, University of Cambridge)
The first of these is often preceded by simple and papillary hyperplasia and exhibits a tumour morphology that is low-grade, superficial and papillary.
(Bladder Cancer Pathway, NCI Thesaurus/KEGG)
Brazilian researchers have developed a low-cost method of classifying the most common malignant brain tumour in children, which they say can help medics diagnose and treat the condition.
(New method to classify brain tumour in children, SciDev.Net)
Scientists in Cambridge and London have developed a catalogue of DNA mutation ‘fingerprints’ that could help doctors pinpoint the environmental culprit responsible for a patient’s tumour – including showing some of the fingerprints left in lung tumours by specific chemicals found in tobacco smoke.
(‘Fingerprint database’ could help scientists to identify new cancer culprits, University of Cambridge)
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