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Examples of variation in degree of dentation among healthy adults. A depicts a high degree of dentation with many prominent, or arciform dentes. B depicts few arciform dentes. C shows few, less prominent, or sinusoidal dentes. D shows a hippocampus with no apparent dentation. Arrowheads indicate individual dentes. Dashed white lines illustrate the contour of arciform (A) and sinusoidal (C) dentation.
