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Medical Definition of Retzius' striae
1. Dark concentric lines crossing the enamel prisms of the teeth, seen in axial cross sections of the enamel. Synonym: brown striae, striae parallelae. (05 Mar 2000)
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1. Dark concentric lines crossing the enamel prisms of the teeth, seen in axial cross sections of the enamel. Synonym: brown striae, striae parallelae. (05 Mar 2000)