In this medium-power image, the mucosa of the appendix is evident. The intestinal glands contain numerous goblet cells. The lamina propria is
characterized by numerous and closely spaced large
lymphoid nodules with germinal centers, some of which may extend into the submucosa. The muscularis externa can be seen in the left portion of the image.
The mucosa of the appendix is similar to that of the colon in that it lacks villi and has numerous goblet
cells. However, the intestinal glands of the appendix are shallower and less abundant than those of the colon.
Paraffin section, hematoxylin and eosin
Medium-power light microscopy
Katsumi M. Miyai, M.D., Ph.D
Department of Pathology
School of Medicine
University of California, San Diego
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