Geographic Tongue Patterns (IMAGE) IOP Publishing Caption Oblate lesions on the dorsum of the tongue are shown. The tiny "hairs" covering the unaffected regions in are the filiform papillae. Credit <i>New Journal of Physics</i>, 2015. Reproduced by permission of IOP Publishing. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.