malignant(redirected from Malign growth)
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1. Pathol (of a tumour) uncontrollable or resistant to therapy; rapidly spreading
2. History (in the English Civil War) a Parliamentarian term for a royalist
(cell and molecular biology)
Pertaining to cells that have undergone phenotypic transformation by oncogenes or protooncogenes.
Endangering the life or health of an individual.
Of or pertaining to the growth and proliferation of certain neoplasms which terminate in death if not checked by treatment.