Related Experiment Video
Updated: Feb 16, 2026
14:11
Building Finite Element Models to Investigate Zebrafish Jaw Biomechanics
Published on: December 3, 2016
10.5K
Snake fangs: 3D morphological and mechanical analysis by microCT, simulation, and physical compression testing.
Anton du Plessis1, Chris Broeckhoven2, Stephan G le Roux1
1CT Scanner Facility, Stellenbosch University, Stellenbosch, Private bag X1, South Africa, 7602.
Gigascience
|December 22, 2017
Summary
This study analyzed venomous snake fangs, revealing their complex morphology and mechanical properties. Data on fang structure and elasticity could inspire new hypodermic needle designs.
Area of Science:
- Zoology
- Materials Science
- Bioengineering
Background:
- Venomous snake fangs exhibit diverse phenotypes, suggesting evolutionary adaptations in their structure and function.
- Understanding fang morphology and mechanics is crucial for evolutionary biology and biomimetic applications.
Purpose of the Study:
- To provide detailed morphological and mechanical data on venomous snake fangs.
- To investigate the evolutionary development of three distinct fang phenotypes.
- To explore the potential of snake fangs as bio-inspiration for hypodermic needle technology.
Main Methods:
- Micro-computed tomography (microCT) for high-resolution 3D imaging of fang internal and external morphology.
- Load simulations to analyze stress distribution (Von Mises stress) at the fang tip.
- Physical compression testing and calculation of the effective elastic modulus of the entire fang structure.
Main Results:
- Detailed morphological comparisons, including curvature and thickness, were performed.
- The effective elastic modulus of the entire fang, including internal cavities, was calculated for the first time, revealing it to be lower than surface-measured values.
- MicroCT data are available as image stacks and STL files for further research.
Conclusions:
- Snake fang structure presents a lower overall elastic modulus compared to localized surface measurements.
- The data supports the hypothesis of varying elastic properties within the fang material.
- Snake fangs offer potential for bio-inspired design in medical devices like hypodermic needles.
