Chapter 1, Slide 14 Maturative ameloblast
When the ameloblast has finished depositing enamel, the Tome's process is lost and a striated border takes its place. During the maturation stage, there is a loss of organic material and water from the enamel. The striated border is supposedly responsible for the resorption of these matrix components, as evidenced by numerous dense granules within the apical cytoplasm of the ameloblast.
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Legend: A, Striated border; B, Immature enamel; C, Mature enamel; D, Dense granules