... bicarbonate (HCO 3 − ) secretion, possibly involving Slc26-mediated anion exchange, and intraluminal calcium carbonate (CaCO 3 ) formation which can sequester oxalate as calcium oxalate (CaOx), thus mitigating the risk for kidney stone formation. Fig. 1. The intestine of marine teleost fish is proposed...

... and corals extract calcium from seawater to make their skeletons, and the factors that affect this process, improve predictions on their future success under climate change. Calcification Calcium carbonate Climate change Coral Mollusc Urchin References Abe , M. and Kuroda , R...

.... Becker, A., Bismayer, U., Epple, M., Fabritius, H., Hasse, B.,Shi, J. and Ziegler, A. ( 2002 ). Structural characterisation of X-ray amorphous calcium carbonate (ACC) in sternal deposits of the Crustacea Porcellio scaber. Dalton. Trans. 2003 , 551 -555. Blair, H. C., Teitelbaum, S. L., Ghiselli...

... in the vacuoles of the gastrodermal cells of both polyps and planulae. The crystalline mat was found by infrared spectroscopy to contain calcium carbonate in the form of aragonite. The composition of the vacuolar crystals and the cellular mechanisms for manufacturing them were explored by alteration of calcium...

... and chemical CO 2 quantification, we demonstrate that the concretions in the lime glands are composed of nearly pure calcium carbonate. Isolated preparations of lime gland tubules accumulate 45 Ca significantly more rapidly than do normal tubules. Although similar to the lime concretions found...