Gastrointestinal System (including glands)

Here are some ideas that might help you.

1. Extensive histological study: Graduate student can learn how to a) dissect out the tissue specimen; b) fix/prepare the specimen; c) cryostat sectioning or paraffin-embedded sections; d) immunohistochemical workup for (i.e., receptors, ion-pumps, etc.); e) microscopic examination; f) report.

2. In vitro digestive enzymatic studies (Km; Vmax; etc.).

3. Ion flux/transport studies across the intestinal epithelium (this is big topic in molecularl biology/physiology);