tumor

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Related to Leydig cell tumor: Leydig cells, interstitial cell tumor

tu·mor

 (to͞o′mər, tyo͞o′-)
n.
1. An abnormal growth of tissue resulting from uncontrolled, progressive multiplication of cells and serving no physiological function; a neoplasm.
2. A swollen part; a swelling: a plant tumor.

[Middle English tumour, from Latin tumor, from tumēre, to swell; see teuə- in Indo-European roots.]

tu′mor·al, tu′mor·ous adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

tu•mor

(ˈtu mər, ˈtyu-)

n.
1. a swollen part; swelling; protuberance.
2. an uncontrolled, abnormal, circumscribed growth of cells in any animal or plant tissue; neoplasm.
Also, esp. Brit.,tu′mour.
[1535–45; < Latin: a swelling =tum(ēre) to swell + -or -or1]
tu′mor•ous, tu′mor•al, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

tu·mor

(to͞o′mər)
An abnormal growth of tissue resulting from uncontrolled growth of cells and serving no function within the body; a cancerous growth. Tumors can be benign (unlikely to spread to other body parts) or malignant (likely to spread). See Note at cancer.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tumor - an abnormal new mass of tissue that serves no purposetumor - an abnormal new mass of tissue that serves no purpose
growth - (pathology) an abnormal proliferation of tissue (as in a tumor)
acanthoma, skin tumor - a neoplasm originating in the epidermis
angioma - a tumor consisting of a mass of blood or lymphatic vessels
blastocytoma, blastoma, embryonal carcinosarcoma - a tumor composed of immature undifferentiated cells
brain tumor, brain tumour - a tumor in the brain
carcinoid - a small tumor (benign or malignant) arising from the mucosa of the gastrointestinal tract; usually associated with excessive secretion of serotonin
celioma - an abdominal tumor
granuloma - a tumor composed of granulation tissue resulting from injury or inflammation or infection
adipose tumor, lipoma - a tumor consisting of fatty tissue
malignant neoplasm, malignant tumor, metastatic tumor - a tumor that is malignant and tends to spread to other parts of the body
meningioma - a tumor arising in the meninges which surround the brain and spinal cord; usually slow growing and sometimes malignant
neurilemoma, neurofibroma - tumor of the fibrous covering of a peripheral nerve
neuroma - any tumor derived from cells of the nervous system
phaeochromocytoma, pheochromocytoma - a vascular tumor of the adrenal gland; hypersecretion of epinephrine results in intermittent or sustained hypertension
pinealoma - tumor of the pineal gland
plasmacytoma - neoplasm of plasma cells (usually in bone marrow)
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
teratoma - a tumor consisting of a mixture of tissues not normally found at that site
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
nádor
svulst
kasvain
tumor
腫瘍
종양
nádor
tumor
tumör
เนื้องอก
khối u

tumor

وَرَم nádor svulst Tumor όγκος tumor kasvain tumeur tumor tumore 腫瘍 종양 tumor svulst guz tumor опухоль tumör เนื้องอก ur khối u 肿瘤
Multilingual Translator © HarperCollins Publishers 2009

tu·mor

n. bulto o hinchazón; tumor.
crecimiento espontáneo de tejido nuevo en masa que no tiene propósito fisiológico alguno;
diffuse ______ difuso;
inflammatory ______ inflamatorio;
medullary ______ medular;
necrotic ______ necrótico;
nonsolid ______ no sólido;
radioresistant ______ radiorresistente;
radiosensitive ______ radiosensitivo;
scirrhous ______ escirroso;
undifferentiated ______ no diferenciado.
English-Spanish Medical Dictionary © Farlex 2012

tumor

adj tumoral; n tumor m; benign — tumor benigno; brain — tumor cerebral; desmoid — tumor desmoide; malignant — tumor maligno; Wilms' — tumor de Wilms
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
World Health Organization 2016 Classification of Sex Cord-Stromal Tumors of the Testis (a) Sex cord-stromal tumors Pure tumors Leydig cell tumor Malignant Leydig cell tumor Sertoli cell tumor Malignant Sertoli cell tumor Large cell calcifying Sertoli cell tumor Intratubular large cell hyalinizing Sertoli cell neoplasia Granulosa cell tumor Adult granulosa cell tumor Juvenile granulosa cell tumor Tumors in the fibroma-thecoma group Mixed and unclassified sex cord-stromal tumors Mixed sex cord-stromal tumor Unclassified sex cord-stromal tumor (a) Reproduced with permission from Moch H, Humphrey PA, Ulbright TM, Reuter VE.
Other ovarian tumors include steroid cell tumor, ovarian luteoma, and Leydig cell tumor. Hyperthecosis is a condition where ovarian stroma possesses nests of luteinized theca cells that produce large amounts of androgens [10].
In this case report, the diagnosis of a testicular Leydig cell tumor took two years pointing out that knowledge of hormonally active testicular tumors is still low.
TARTs are usually seen bilaterally (83%) and histopathologically it is difficult to differentiate them from Leydig cell tumor. It should be kept in mind that testicular USG is of significant importance in early diagnosis of TART.
Nagura, "Leydig cell tumor of the testis: analysis of testosterone production and secretion by three-dimensional histoculture," Endocrine Journal, vol.
Leydig cell tumor shows tumor cells arranged in diffuse, sheet-like pattern, small nests, ribbons, and cords.
Although the suppression of viability in our studies (IC50 = 6.42 [micro]M, 4 days of imatinib treatment) occurred at concentrations nearly similar to the IC50 values reported for imatinib-mediated apoptosis induction and proliferation inhibition (IC50 = 5 [micro]M) and in the approximately same order than the concentrations achieved for the inhibition of leydig cell tumor growth in vitro (IC50 = 5 [micro]M) (23), it was higher than concentrations required in studies on chronic myeloid leukemia (IC50=1 [micro]M) (28, 29) and lower than that required in studies on neuroblastoma (26).
Leydig cell tumor is an uncommon testicular tumor derived from the gonadal stroma.