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Figure 1: Large, creamy white, beta hemolytic colonies typical of Staphylococcus aureus. (Rebecca Buxton, University of Utah, Salt Lake City, UT)

Figure 2: Large, creamy white, beta hemolytic colonies typical of Staphylococcus aureus. (Rebecca Buxton, University of Utah, Salt Lake City, UT)

Figure 3: Large, creamy white, beta hemolytic colonies typical of Staphylococcus aureus. (Rebecca Buxton, University of Utah, Salt Lake City, UT)

Figure 4: Large, creamy white, beta hemolytic colonies typical of Staphylococcus aureus. (Rebecca Buxton, University of Utah, Salt Lake City, UT)

Figure 5: Strains of Staphylococcus aureus may or may not produce a golden yellow pigment. (beta hemolytic, non-pigmented strain. Compare with Figure 6). (Rebecca Buxton, University of Utah, Salt Lake City, UT)

Figure 6: Strains of Staphylococcus aureus may or may not produce a golden yellow pigment. (beta hemolytic, yellow-pigmented strain. Compare with Figure 5). (Rebecca Buxton, University of Utah, Salt Lake City, UT)

Figure 7: Non-hemolytic Staphylococcus species: Staphylococcus epidermidis. (Most species of coagulase negative Staphylococcus species are non-hemolytic). (Rebecca Buxton, University of Utah, Salt Lake City, UT)

Figure 8: Non-hemolytic Staphylococcus species: Staphylococcus epidermidis. (Rebecca Buxton, University of Utah, Salt Lake City, UT)

Figure 9: Non-hemolytic Staphylococcus species: Staphylococcus epidermidis. (Rebecca Buxton, University of Utah, Salt Lake City, UT)

Figure 10: Staphylococcus saprophyticus: non-hemolytic, bright white, creamy colonies (recovered almost exclusively from urinary tract infections in young, sexually active females). (Rebecca Buxton, University of Utah, Salt Lake City, UT)

Figure 11: Micrococcus luteus: Dramatic bright yellow pigment (no hemolysis). (Rebecca Buxton, University of Utah, Salt Lake City, UT)

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