HERVE CONGE, ISM / SCIENCE PHOTO LIBRARY HERVE CONGE, ISM / SCIENCE PHOTO LIBRARY
Calcium oxalate crystals (rectangular) in a vine leaf, light micrograph. Calcium oxalate is a chemical that accumulates in plants as a product of processes that remove excess calcium, prevention calcium toxicity. Magnification: x280 when printed at 10 centimetres across.
Model release not required. Property release not required.