perikymata
noun plural
peri·ky·ma·ta
-ˈkī-mət-ə 
: minute transverse ridges on the surface of the enamel of a tooth which correspond to the incremental lines of Retzius
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“Perikymata.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/perikymata. Accessed 26 Dec. 2024.
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