Ameloblasts are cells that deposit enamel, the hard outer most layer that forms the chewing surface. Ameloblasts are cells which secrete the enamel proteins enamelin and amelogenin which will later mineralize to form enamel on teeth, the strongest substance in the human body. Each Ameloblast is approximately 4 micrometers in diameter, 40 micrometers in length and has a hexagonal cross section. The secretory end of the ameloblast ends in a six sided pyramid like projection known as the Tomes' pro… (More on Ameloblast)