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HA9: Spermatic Cord - elastin stain

The mucosa includes pseudostratified columnar epithelium with stereocilia (HA9, arrows). The lamina propria has a large number of elastic fibers (*). There are three layers of smooth muscle in the muscularis, but it is not possible to distinguish them in this image because of the staining method. The inner and outer layers are longitudinal, while the thinner middle layer is circular.