blastoma

(redirected from blastomas)
Also found in: Thesaurus, Medical, Encyclopedia.

blas·to·ma

 (blă-stō′mə)
n. pl. blas·to·mas or blas·to·ma·ta (-mə-tə)
A neoplasm composed of immature and undifferentiated cells.

blastoma

(ˌblæsˈtəʊmə)
n, pl -mata or -mas
(Pathology) pathol
a. a tumour composed of embryonic tissue that has not yet developed a specialized function
b. (in combination): neuroblastoma.
[C20: New Latin, from blasto- + -oma]

blastoma

a neoplasm arising in the blastema, i.e., tissue from which an organ or part is formed. Also blastocytoma.
See also: Cancer
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.blastoma - a tumor composed of immature undifferentiated cells
neoplasm, tumor, tumour - an abnormal new mass of tissue that serves no purpose
References in periodicals archive ?
Group C' (14 patients) of multicystic (solid) amelo- blastomas were treated aggressively with segmental or en bloc resection.
7] Associated characteristics include cardio renal malformations, gonadal blastomas and germ cell tumours.
Dentre os neoplasmas pulmonares que ja foram relatados nos bovinos, estao os blastomas pulmonares (KELLEY et al.
La mas reciente clasificacion de la Organizacion Mundial de la Salud de 2004 elimino este tumor de la categoria de los blastomas pulmonares bifasicos y lo clasifico como una variante del adenocarcinoma [5].
11) Todos ellos pertenecen al grupo de los blastomas y parecen ser defectos del desarrollo de los organos.
Los avances tecnologicos que despues del fin de la guerra y gracias a ella se han realizado o, mejor, el desarrollo de medios mas eficaces en el ambito de la eugenesia que los nazis inauguraron y nos heredaron, han desterrado de nuestros ojos las practicas carniceras de Menguele, pero mantienen, bajo el lenguaje aparentemente neutro de la ciencia (clonacion, celulas estaminales, blastomas, tejidos, ovocito, espermatozoo, etcetera) su horror indecible.
Blastomas del sistema nervioso central y periferico.
breast cancer, prostate cancer, blastomas, carcinomas, lymphomas, sarcomas).
Pleuropulmonary blastoma type 1 comprises 14% of pleuropulmonary blastomas, and patients have a median age of 9 months.
116,117,123) Nakatani et al (116,117) and Sekine et al (123) have suggested that upregulation of components in the WNT signaling pathway, such as [beta]-catenin, are important in low-grade fetal adenocarcinomas, as well as in biphasic pulmonary blastomas.
3) When considering other multilineage tumors, such as synovial sarcoma, mesothelioma, teratoma, and blastomas, gastroblastoma is a distinct, rare entity of the stomach.
D2-40, a novel monoclonal antibody against the M2A antigen as a marker to distinguish hemangio blastomas from renal cell carcinomas.