Origin Of The Black Mucoid Plaque

You want to know where the heck in the colon mucoid plaque like this specimen:

could have possibly come from. The reason you don't see it, I submit to you, is because it is covered up by a mucus-exudate mixture that is pink, white or some other color. This specimen may have come from some place like here:

for example. Underneath that pink exterior is usually black, grey, or brown eschar (mixed in with mucus and exudate). Really. I'll show you:

In this image, enzymes, somehow produced inside the colon, are eating away at the pink mucus-exudate mixture, revealing the black eschar underneath. Who knows how thick it is. It's thick enough to cover up the ridges at least. A normal colon is supposed to have ridges:

If this were to continue, more of the pink mucus-exudate mixture will dissolve away, and the black eschar (which is mixed in with mucus and exudate) will swell up and slough away from the mucosa in a similar manner as you see in this image:


This is from a different person obviously. But imagine it was black instead of brownish yellowish. You can imagine it looking like this:

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