ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
Neisseria meningitidis. Coloured Transmission Electron Micrograph (TEM) of a section through the bacteria Neisseria meningitidis. They are an agent which cause bacterial meningitis. These non- motile Gram- negative coccus (spherical) bacteria occur as two cells (orange) in a capsule (yellow). A number of such two- celled diplococci are seen. Neisseria meningitidis is an obligate human parasite. It causes meningococcal (cerebrospinal) meningitis, the inflammation of connective tissue membranes lining the brain and spinal cord. Symptoms include headache, fever, vomiting, delirium, even death. Treatment with antibiotics. Magnification: x20,000 at 6x4.5cm size.
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