计算RP-biorhythm在人类主要的臼齿。:脾主(落叶,“牛奶”)mol / l。一个箭头指向横向搪瓷Retzius线在最右边。b薄片通过与Retzus搪瓷线向右(较低的白色圆圈)。上白色的圆覆盖管搪瓷棒,形成组织的细胞(名为造釉细胞)躺下新的搪瓷牙冠的发展。c造釉细胞通路的记录都保存在牙齿釉质棒。d每日横条纹。搪瓷沉积的造釉细胞中断每24小时生产区域沿着棒相对较少的矿物。准备和在显微镜下检查时,这些差异在矿化棒作为横条纹出现。这是因为矿化改变光的折射率的变化通过显微镜下,产生的条纹。 Cross striations are used to calculate Retzius periodicity. e Black arrows point to Retzius lines in primary molar enamel. f White arrows point to cross striations and 6 days of enamel formation between two adjacent Retzius lines giving a Retzius periodicity of 6 days. Parts of Fig. 1 (part of the panel a and all of panel c) were created using a template from BioRender.com (2022). Credit:通信医学(2022)。DOI: 10.1038 / s43856 - 022 - 00164 - x