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Set 1, Slide 65, Smear, Lightfield
Bacteria Linked Set

Bacteria

 

Smear 50xThis mixed bacteria smear contains a few bacteria colonies at the middle of it. But, there are also many bacteria at the edge of the sample. These bacteria are so tiny that even 1000x magnification seems insufficient.

Colony

Image Data Description
Bacterial Colony 400x
400x

This biggest colony is found in the middle of the sample. Countless bacteria gather here.

 

Edge of Sample

Image Data Description
Edge of Smear 400x
400x

Many bacteria are also found at the edge of the sample. I suspect that this "concentration" of bacteria at the edge of the smear is an "artifact" of the physical nature of the drop of water/smear that was used to form the sample rather than any action on the part of the bacteria.

Streptococci

Image Data Description
Streptococci 1000x
1000x

Here, the cocci bacteria form in long chains of streptococci. These appear small even at 1000x.

 

Cocci

Image Data Description
Cocci 1000x
1000x

Here are cocci bacteria from the mixed bacteria sample. These cocci bacteria are spherical, but they are too small to be seen clearly 

Bacilli

Image Data Description
Bacilli 1000x
1000x

Bacilli appear in this picture. However, they are not clearly visible, because they are too small. Bacilli look like a hot-dog, and those bacilli are linked together forming a chain.

 
Bacilli 1000x
1000x
Here is a closed-up picture of extremely tiny bacillus. The bacillus looks like a hot-dog.
Bacilli 1000x
1000x
Many bacilli form a chain linking together. These bacilli are too small to be focused clearly.
.

 

 

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