spines from an Opuntia-cactus

Images made through a microscope. All subject types.

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Franz Neidl
Posts: 747
Joined: Wed Jan 14, 2009 11:59 am
Location: Italy

spines from an Opuntia-cactus

Post by Franz Neidl »

These are spines from an Opuntia-cactus.
Obj. 10x, DIC, pol-filter, stack with 15 pics
Obj. 20x, DIC, pol-filter, stack with 10 pics
Obj. 20x, DIC, pol-filter

Franz

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Image

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Mitch640
Posts: 2137
Joined: Sun Aug 15, 2010 1:43 pm

Post by Mitch640 »

Now I know why they hurt so much. Could the colors from the polarizing be some kind of irritant coating the spines. As in the ascorbic acid images?
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