BOS17/2 - Stoma from the Lower Surface of a Christmas Rose Leaf
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Helleborus niger, many times enlarged, in SOMSO-Plast. After Dr. Gerlach, Botanical Institute Erlangen. Shown are guard cells, accessory cells, stomate respiratory cavity. One half of the model shows the stomate, the other the function which can be demonstrated symbolically. Separates into 2 parts. Height: 23 cm., width: 45 cm., depth: 37 cm., weight: 6.6 kg.
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