Department of Biology students (from left) Heather Smith, Melissa O’Brien, Trahas Habtemariam, Caitlyn Fields and Karissa Hunter-Wolf dissect a dogfish shark in Assistant Teaching Professor Meghann Humphries’ “Vertebrate Anatomy” lab at the University of Missouri–St. Louis. Over the course of the semester, the students dissect and compare the anatomy of a salamander and a fetal pig with that of a shark.

This photograph was taken by UMSL photographer August Jennewein and is the latest to be featured in Eye on UMSL.