Gecko Tail Detachment (1 of 3) (IMAGE) PLOS Caption Wedge-shaped extensions (cranial margins of individual tail muscles) projecting from the proximal end of the released tail stump demonstrate the presence of ‘‘mushroom-shaped’’ structures at the termini of the muscle fibers after autotomy. These structures are present on all sides of the extensions except on the outer part. Credit Sanggaard KW, Danielsen CC, Wogensen L, Vinding MS, Rydtoft LM, et al. (2012) Unique Structural Features Facilitate Lizard Tail Autotomy. <i>PLoS ONE</i> 7(12): e51803. doi:10.1371/journal.pone.0051803 Usage Restrictions With credit to source 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.