gram_stain_images

Here are a variety of materials stained according to the Gram stain.  Click on a thumbnail to see the image enlarged:


Buttermilk:
buttermilk

E. coli:

E. coli and yogurt together:

Sour Cream:

San Francisco Sourdough:  (Note the wild yeast.  There are also assorted bacilli and cocci, presumably lactic acid fermenters.

Tongue scraping:

Tongue scraping with methylene blue:

Yogurt:


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