Virtual microscope: Aristolochia sipho

If you can not see anything, then you need to install a flash player. The image shows the cross section of the stem of the Aristolochia sipho plant. The image is an inverted (negative) image, and not a dark-field image. Why did I choose to invert the colors? The reason is surprisingly unscientific: it simply looks better… The diameter of the stem is about 6mm across. The annual rings are also visible.

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