Celery stem with vessel element, cross section, stained with methylene blue, optical microscpoe. Magnification 160x. Frame width is about 250-300 nm

---

Size: 5500px × 4274px
Photo credit: © Mikhail Afanasiev / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: analysis, biological, biology, blue, botanic, botanical, botany, celery, cell, cells, cellular, chloroplasts, color, compound, cross-section, detail, duct, education, educational, element, lab, magnification, methylene, micro, microbiology, micrograph, microphotography, microscope, microscopic, microscopy, nature, optical, pattern, photomicrograph, photomicrography, photomicroscopy, plant, research, science, scientific, section, slice, slide, stained, stem, structure, texture, tissue, vessel, vessels, xylem