Light micrograph of a conifer pollen grain with clearly visible air sacks from an air sample, magnification is about 825x when printed at 10cm wide

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Size: 4000px × 3000px
Location: Bellevue, WA, USA
Photo credit: © SDym Photography / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: allergen, allergy, close, closeup, conifer, detail, details, extreme, grain, image, light, lm, macro, magnification, magnified, micro, micrograph, microscope, microscopic, microscopy, optical, photography, photomicrograph, pine, pollen, shot, single, view, wind-pollinated