This is just a straightforward pic of a common incidental finding, for use in lectures or otherwise. These are old, and are another set that was on the defunct Pretty Pics series. I was using a lower resolution camera, and it shows. But, they still might be useful for lecture.
As always, free for use in lectures and teaching, etc. with or without attribution, though attribution is always appreciated. These are slightly reduced resolution images. If you need original resolution images, contact me.