Tour results indicate that the difference between enamel and dentin hardness has. nothing to do with the content of Na, Cl and Mg, but the percentage of organic and inorganic. materials in enamel and dentin. Keywords: microhardness, chemical composition, human tooth, enamel, dentin. 1. Introduction.
Medical Definition of metastatic. 1  1: of, relating to, or caused by metastasis cutaneous metastatic disease as the first sign of lung cancer metastatic carcinoma metastatic spread. 2  2: tending to metastasize metastatic cancer cells metastatic prostate cancer.
This new tumor is known as a metastatic (or secondary) tumor. Metastasis is one of the Hallmarks of Cancer, distinguishing it from benign tumors. Most neoplasms can metastasize, although in varying degrees (e.g., basal cell carcinoma rarely metastasize).