Also found in: Dictionary, Thesaurus, Encyclopedia.


 [blas-to´mah] (pl. blastomas, blasto´mata)
A neoplasm composed of embryonic cells derived from the blastema of an organ or tissue. adj., adj blasto´matous.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


A neoplasm composed chiefly or entirely of immature undifferentiated cells (i.e., blast forms), with little or virtually no stroma.
Synonym(s): blastocytoma.
[blasto- + G. -oma, tumor]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
Mentioned in ?