Protonemal Funaria hygrometrica Cells Absorbs Large Amounts Of Lead (Pb) From Water (image) RIKEN Share Print E-Mail Caption Cells treated with 0.1 mM PbCl2. This view focuses on the cell wall (cw). Absorbed lead (Pb) can be seen at the black arrows. The upper box is a close-up of the lower black box on the cell wall. Credit RIKEN Usage Restrictions credit RIKEN 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.