Related Experiment Video
Updated: Sep 10, 2025

08:38
Application of Flow Vermimetry for Quantification and Analysis of the Caenorhabditis elegans Gut Microbiome
Published on: March 31, 2023
839
How to get physiologically relevant data with students using Lumbriculus variegatus.
Aidan Seeley1, Laura F Corns2, James L Rouse3,4
1Swansea University Medical School, Swansea University, Swansea, United Kingdom.
Advances in Physiology Education
|August 25, 2025
Summary
This study introduces an easy, cost-effective practical class using the invertebrate Lumbriculus variegatus for in vivo teaching. It equips graduates with essential experimental skills by observing drug effects on behavior, enhancing hands-on laboratory experience.
Area of Science:
- Neuroscience and Pharmacology Education
- Invertebrate Model Organisms in Research
Background:
- Higher education faces a decline in in vivo teaching, leading to graduates lacking crucial experimental skills.
- There is a need for accessible, cost-effective, and ethical alternatives for in vivo practical training.
Purpose of the Study:
- To present an easy and cost-effective practical class using Lumbriculus variegatus as an in vivo educational model.
- To enable students to observe the effects of pharmacologically active compounds on invertebrate behavior.
Main Methods:
- Students perform drug dilution calculations and administer compounds to Lumbriculus variegatus.
- Behavioral experiments focus on observing stereotypical responses like body reversal and helical swimming via tactile stimulation.
- The class involves hands-on in vivo experimentation without requiring vertebrate models.
Main Results:
- Demonstrated the ability to observe drug effects in vivo using Lumbriculus variegatus.
- Observed both reversible and irreversible behavioral changes in response to different compounds.
- Validated the effectiveness of Lumbriculus variegatus as a model for teaching in vivo pharmacology.
Conclusions:
- Lumbriculus variegatus provides a scalable and adaptable model for hands-on in vivo teaching.
- This approach enhances student engagement and practical skills acquisition without complex or costly requirements.
- The method offers a viable alternative to traditional vertebrate models for in vivo education.

