- One of the columnar epithelial cells of the inner layer of the enamel organ of a developing tooth, concerned with the formation of enamel matrix. SYN: enamel cell, enameloblast, ganoblast. [Early E. amel, enamel, + G. blastos, germ]
* * *am·e·lo·blast 'am-ə-lō-.blast n any of a group of columnar epithelial cells that produce and deposit enamel on the surface of a developing vertebrate tootham·e·lo·blas·tic .am-ə-lō-'blas-tik adj
* * *n.a cell that forms the enamel of a tooth and disappears before tooth eruption.
* * *am·e·lo·blast (amґə-lo-blast″) [amelo- + -blast1] a cylindrical epithelial cell in the innermost layer of the enamel organ which takes part in the elaboration of the enamel prism. The ameloblasts cover the dental papilla. Called also adamantoblast, ganoblast, and enameloblast.
Medical dictionary. 2011.