"Human Pathology"

This organism is commonly isolated from soil or water, and produces a pink or rose colored pigment.

Using this activity, students can safely study the causes of a common medical condition.

This pathogenic organism is sometimes isolated from hay and grass.

Grows on dead tissues. Novobiocin resistant (S. epidermidis and S. aureus novobiocin sensitive). 

Noted for capsular swelling. Causes pneumonia and urinary tract infections.

Beta hemolysis on blood. Causes wound infections and septicemia. 

This organism is a common environmental isolate, and can be found in soil as well as in industrial settings.

Isolated from human saliva, sputum, and intestine. No Lancefield group shown, alpha hemolysis.

This organism is commonly recovered from soil and water. As normal intestinal flora, it can also usually be found in sewage.

This organism can be isolated from soil, wounds, and intestinal tracts of humans. It digests protein and is known for its strong, distinctive odor.

Book & Downloadable Content Combo Reference

Lancefield group A, beta hemolysis. Sensitive to bacitracin. Causes strep throat, rheumatic fever, and scarlet fever.

Isolated from sewage, human intestines, and urinary tract infections. Spreading colonies are seen on agar growth medium. 

This organism is often times isolated from food; in large amounts it can cause food poisoning

Isolated from soil. Forms red pigment (best on high carbohydrate medium) and has oval eccentric spores. 

Students investigate the case of a family poisoned by household pesticides used to treat a bed bug problem.