Calcium oxalate Crystal in Cannabis, SEM

Calcium oxalate Crystal in Cannabis, SEM

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Credit: Ted Kinsman/SCIENCE PHOTO LIBRARY

Caption: Colour-enhanced Scanning Electron Micrograph (SEM) of a calcium oxalate crystal in a marijuana (Cannabis sativa) plant. Even a small dose of calcium oxalate is enough to cause intense sensations of burning in the mouth and throat. Commonly found in popular houseplants, such as Dumbcane, the crystal's effects or symptoms may last for a week or more, making calcium oxalate crystals a non-desirable ingredient in medical marijuana. There crystals are fairly common in plants, as they make it hard for grazing animals to eat the plant. Magnification: 1,500X when printed at 10 centimetres wide.

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Keywords: biological, biology, botanical, botany, cannabis, cannabis sativa, colorization, colorized, colour enhanced, colour enhancement, colour-enhanced, cystolith, drug, electron micrograph, em, enhancement, false colour, false-colour, flora, glandular, hashish, hemp, imaging, leaf, leaves, lithocyst, marijuana, micrograph, narcotic, nature, plant, resin, scanning electron micrograph, science, sem, stem, stems, tetrahydrocannabinol, thc, trichome

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