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Hints for Slide ERG 23.  

The source for this specimen should be obvious (and confidently so), provided you are familiar with the organ it represents.  

The slide carries sections from two pieces of the same organ.  (Both pieces are normal, although you may notice localized signs of minor inflammatory infiltrate.)

  • Note that each piece displays a layered, tubular structure.
  • Describe the tissue composition of the layers.

Which organs have muscular and mucosal layers like these?

Note the overall size of the specimen.  Note that the specimen is complete, including the entire circumference of the organ as well as some supporting

This slide should be easy.  The overall size and elaborate mucosal evaginations are typical of only one organ.  Other details of mucosal epithelium and other layers are consistent with this site.

Hints on the next page are quite revealing.  Don't look until you are ready to confirm your identification.

More hints.


Comments and questions: dgking@siu.edu

SIUC / School of Medicine / Anatomy / David King

https://histology.siu.edu/erg/SAQ/ERG23a.htm
Last updated:  4 September 2021 / dgk