mantle cell    fast-growing form of lymphoma, which may occur in the lymph nodes, spleen, bone marrow, blood, stomach, or intestines

marker    chemical or biochemical indicator that can be found through diagnostic laboratory testing

medulloblastoma    malignant cancer of the cerebellum or posterior fossa of the brain

melanoma    a form of skin cancer arising from pigment cells

meningioma    cancer of the meninges, the membrane surrounding the brain the sheath that encases the spinal cord

metastases    (plural of metastasis) spread of malignant cancer through the body by way of blood or lymph

microfluidics    study of the flow and behavior of liquids at the microscopic level