Microbiology & Immunology:  Medical Education Pages.


Slide show of all slides

Specimen Organisms
1. Urethral smear Neisseria gonorrhoeae
2. Pus smear Neisseria gonorrhoeae
3. Pus smear (wound) Staphylococcus aureus
4. Exudate smear Clostridium perfringens
5. Tissue smear Clostridium perfringens
6. Knee tap smear Group A Streptococcus pyogenes
7. Sputum smear Staphylococcus aureus
8. Sputum smear Staphylococcus & Streptococcus pneumoniae
9. Sputum smear Streptococcus pneumoniae/PMN
10. Sputum smear Streptococcus pneumoniae
11. Sputum smear Streptococcus pneumoniae
12. Spinal fluid Haemophilus influenzae
13. Urine smear Escherichia coli/PMN
14. Peritoneal fluid Mixed anaerobic infection
15. Spinal fluid Cryptococcus neoformans
16. Skin smear Candida albicans


  1. Hashimoto, T. and Yoshida, N. Gram stain. Modern Media 6: 22-27, 1961.
  2. Provine, H. and Gardner, B. P. Gram stain. Hospital Practice 9: 85, 1974
  3. Ryan, J. R.and Ray, G. Principles of laboratory diagnosis of infectious diseases. Sherris Medical Microbiology 3rd ed. p.225, 1994
  4. Scherre, Rene. Gram's staining reaction, Gram types and cell walls of bacteria. Trends Biochem.Sci. 9: 242, 1984
  5. Washington, J. A. Rapid diagnosis by microscopy. Clin. Microbiol. Letter 8: 135, 1986


Information used in this program is adopted from the article previously published by Provine and Gardner cited above.

Original slides presented in this program were provided by Dr. R. Carey, director of the Clinical Microbiology Laboratory, Loyola University Medical Center.

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