Several Hairs of Thal Cress (Arabidopsis thaliana) (image) University of Bonn Share Print E-Mail Caption With their sharp tips pointing into different directions - only the very tips of the trichomes are incrusted with calcium phosphate. False-colour image, mineralized portions of the trichomes highlighted in red. Credit © Hans-Jürgen Ensikat/Uni Bonn Usage Restrictions This photo may be used with the press release. Share Print E-Mail 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.