Difference between revisions of "Stains"
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===Interpretation=== | ===Interpretation=== | ||
* | *Purple (or blue) = Gram positive organisms. | ||
*Red = Gram negative organisms, nuclei | *Red = Gram negative organisms, nuclei | ||
*Yellow = background. | *Yellow = background. | ||
Notes: | Notes: | ||
*Many of the bacteria are quite small relative to lymphocytes; ''Escherichia coli'' is 1-2 micrometers long x 0.25 micrometers in diameter.<ref>[http://www.lpi.usra.edu/publications/slidesets/marslife/slide_27.html http://www.lpi.usra.edu/publications/slidesets/marslife/slide_27.html]</ref> | *Many of the bacteria are quite small relative to lymphocytes; ''Escherichia coli'' is 1-2 micrometers long x 0.25 micrometers in diameter.<ref>URL: [http://www.lpi.usra.edu/publications/slidesets/marslife/slide_27.html http://www.lpi.usra.edu/publications/slidesets/marslife/slide_27.html].</ref> | ||
*Epithelial cell nuclei & stromal cell nuclei may stain red. | *Epithelial cell nuclei & stromal cell nuclei may stain red. | ||
*Memory device: '''p'''urple = '''p'''ositive. | |||
Ref.:<ref>[http://library.med.utah.edu/WebPath/HISTHTML/MANUALS/GRAM.PDF http://library.med.utah.edu/WebPath/HISTHTML/MANUALS/GRAM.PDF]</ref> | Ref.:<ref>[http://library.med.utah.edu/WebPath/HISTHTML/MANUALS/GRAM.PDF http://library.med.utah.edu/WebPath/HISTHTML/MANUALS/GRAM.PDF]</ref> | ||