(IMAGE) Tokyo Medical and Dental University Caption A representative micrograph of osteoclast differentiation and activity in response to irradiation with blue light. Numerous small pits formed on the bone-like substrate in the half of the well that was exposed to light as a result of bone resorption by light-induced osteoclasts. Credit Department of Cell Biology, TMDU 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.