Calcium Oxalate Crystal in Cannabis, SEM #2
by Ted Kinsman
Title
Calcium Oxalate Crystal in Cannabis, SEM #2
Artist
Ted Kinsman
Medium
Photograph - Photograph
Description
A SEM image of the edge of a leaf shows a calcium oxalate crystal. These crystals are found throughout the plant and are responsible for throat irritation when medical marijuana is smoked. Plants that have too many oxalate crystals are good candidates for modern THC extraction techniques. Calcium oxalate crystals in plants are called raphides. Humans have similar calcium crystals that can appear as kidney stones. These crystals help remove calcium build up in the tissues and make it undesirable for grazing animals to eat the plant. Magnification is x120 on the printed page.
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April 12th, 2018
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