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Visual Mnemonic - Neisseria, Neisseria Gonorrhea, Neisseria Meningitis


  • Gram negative [red] diplococci
  • Two important species - neisseria gonorrhea and neisseria meningitis [one lives in the head, the other in pelvis]
  • Neisseria meningitis
    • Leading cause of meningitis in young adults
    • Oxidase-positive [ox horns coming out from patient's head]
    • Maltase-positive [likes to drink malt beverages]
    • Grows on chocolate agar
    • Causes cutaneous rash [red brush]
    • YWCA Vaccine exists [syringe]
  • Neisseria gonorrhea
    • Ascending infection into uterus and fallopian tubes causes PID - pelvic inflammatory disease
      • Flank pain and arthritis [diplococci on inflamed knees]
    • Can infect eyes of neonates [diplococci on eyes]
    • Grows on Thayer-Martin (New York City) agar
    • Synthesizes IgA protease [antibody molecule broken by neisseria]
    • Causes cutaneous rash
    • In males, causes epididymitis and urethritis [red epididymis and urethra]

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