DISEASE ORGANISMS LAB

Information Sheets

Questions

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Virus Group 

Viruses are too small to be seen with the

lab's microscopes, so no sketches are required.

Herpes Viruses,  Orthomyxoviruses,  Picornaviruses,
Retroviruses

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Bacteria Group

Single-celled but without nuclei, sometimes

connected in long strings. These are so small

that usually, the best you will see will be

a distinct shape.

Bacillus anthaxes,  Clostridium botulinum,  
Clostridium tetanus,  Corynebacterium diphtheria, 
Diplococcus Pneumoniae (Streptococcus pneumoniae), 
Haemophilus influenzae,  Haemophilus pertussis,  
Klebsiella pneumoniae,  Mycobacterium leprae,
 Neisseria gonorrhoeae,  Salmonella schottmuelleri, 
Streptococcus pyrogenes,  Treponema pallidum.

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Protozoan Group

Single-celled and possessing nuclei, in various

forms and sizes. Often on slides with other

materials, which can make them difficult

to distinguish.

Balantidium coli,  Giardia intestinalis (Giardia lamblia), Plasmodium,  Trichomonas vaginalis,  Trypanosoma

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Flatworm Group

Larger, multicelled animals with organs,

having unusual, complicated life cycles.

Clonorchis sinensis,  Echinococcus granulosum, Fasciola hepatica,  Schistosoma,  Taenia pisiformis (Taenia solium)

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Roundworm Group

Also called nematodes, these are very

hardy, resistant to many treatments.

Ancylostoma caninum,  Necator americanus,
Trichinella spiralis

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Written, M. McDarby, 1992.  Last Update, 2005.  Uploaded, 2001.

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