blastoma
41neuroblastoma — /noor oh bla stoh meuh, nyoor /, n., pl. neuroblastomas, neuroblastomata / meuh teuh/. Pathol. a malignant tumor of immature nerve cells that usually starts in the autonomic nervous system or adrenal gland and spreads quickly, most often… …
42retinoblastoma — /ret noh bla stoh meuh/, n., pl. retinoblastomas, retinoblastomata / meuh teuh/. Pathol. an inheritable tumor of the eye. [1920 25; RETIN(A) + O + BLASTOMA] * * * …
43Medulloblastoma — A type of virulent brain tumor that occurs most frequently in children. Medulloblastomas originate in residual embryonic nerve cells that begin to proliferate. Treatment is by radiation, but is only rarely successful. * * * A tumor consisting of… …
44blastomogenic — Causing or producing a blastoma. * * * blas·to·mo·gen·ic (blas″to mo jenґik) producing or tending to produce blastomas …
45gynandroblastoma — 1. SYN: Sertoli Leydig cell tumor. 2. A rare variety of arrhenoblastoma of the ovary, containing granulosa or theca cell elements and producing simultaneous androgenic and estrogenic effects. * * * gyn·an·dro·blas·to·ma (.)gīn .an drə bla stō mə …
46hemangioendothelioblastoma — Hemangioendothelioma in which the endothelial cells seem to be especially immature forms. [hemangio + endothelium + G. blastos, germ, + oma, tumor] * * * he·man·gio·en·do·the·lio·blas·to·ma (he man″je o en″do the″le o blas… …
47lipoblastoma — A benign subcutaneous tumor composed of embryonal fat cells separated into distinct lobules, occurring usually in infants. * * * lipo·blas·to·ma (lip″o blas toґmə) [lipo + blastoma] a benign fatty tumor composed of a mixture of… …
48glioblastoma — glio·blas·to·ma .glī (.)ō bla stō mə n, pl mas also ma·ta mət ə a malignant rapidly growing astrocytoma of the central nervous system and usu. of a cerebral hemisphere called also spongioblastoma * * * n. the most aggressive type of brain tumour… …
49blastomatoid — blas·to·ma·toid (blas toґmə toid) [blastoma + oid] resembling blastomas …
50endothelioblastoma — en·do·the·lio·blas·to·ma (en″do the″le o blas toґmə) [endothelium + blastoma] a tumor derived from primitive vasoformative tissue with formation of usually small and slitlike vascular spaces lined by prominent endothelial cells;… …
