Cuttlefish research. Close-up of thin slices of tissue from a cuttlefish (order: Sepiida), mounted on a glass slide for study using a light microscope. In the background is the microtome machine used to prepare the tissue samples. This study is being carried out at the French National Museum of Natural History (Museum national d'histoire naturelle, MNHN) in Paris, France. Photographed in 2010.
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