This week's case is from one of our former fellows, Dr. Rachael Liesman. The structures in question were seen in H&E-stained sections of small bowel. What's the identification?
Read Dr. Pritt's blog, Parasite Wonders, and submit your answers, comments, and questions. Also, visit her website ParasiteWonders.com, which hosts an archive of classic images from cases Dr. Pritt posted going back to 2007 (in an easy-to-search "A through Z" format) and also offers a flashcard feature.