MicroVision 
 
SARCINA
These 1000 X magnification images show Sarcina, Gram-positive cocci that divide in three planes. They remain attached in packets of eight cells, forming a cube. However, often a two-dimensional image such as those shown here, reveals only the four cells (tetrad) in the plane nearest our vision. Another four bacteria are stacked behind the four we can see. 

 
Click on each image to see the enlarged version.

 
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© 1998