Polarized light micrograph of a longitudinal cross section of calcium oxalate crystals (druses) in field scabious (Knautia arvensis) stalk. Magnification: x186 when printed on 10 cm wide.
Size: 7237px × 4830px
Location:
Photo credit: © MAREK MIS/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: -, anatomy, arvensis, biological, biology, botanical, botany, calcium, cell, cells, chloroplast, chloroplasts, cross-section, crystal, defence, defense, druse, druses, epidermis, field, flora, knautia, light, lm, micrograph, microscope, microscopy, nature, oxalate, plant, polarised, polarized, scabious, section, stalk, stem, structure, tissue, tissues, transverse, trichome, trichomes