Anatomy A215 Virtual Microscopy
Small Intestine, Find a Lymphatic Nodule (Not Required for Ch. 7)
 
 

This is a section of SMALL INTESTINE (ileum to be specific). There are numerous small lymphatic nodules within the tissue immediately below the lining of the bowel (the mucosa). The little box in the picture to the left shows where the image below came from. Again, don't restrict yourself to the marked regions of the slide, rather see how many nodules you can find.

Lymphatic nodules appear in microscopic sections as circular or oval formations of closely packed cells, and sometimes have a lighter so-called germinal center. In this SMALL INTESTINE slide, the lymphatic nodules may be flattened in the wall, or appear as rounded projections into the lumen of the intestine. Here they are for the most part just beneath the bowel lining (the mucosa). Click here for a larger view of another example a lymphoid nodule.
 
See this slide with the virtual microscope

I don't see the virtual slide, I must need the download.

 

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