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Analyzing Craniofacial Morphogenesis in Zebrafish Using 4D Confocal Microscopy

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Published on: January 30, 2014

Morphometric Analyses of Shape: The Analysis Software Toolbox for Craniofacial Shape Quantification in Zebrafish.

Makenzie C Stearsman¹, Jennan A Lahamer¹, Raèden Gray²

¹Department of Biochemistry and Molecular Genetics, Alcohol Research Center, University of Louisville.

Journal of Visualized Experiments : Jove

|March 16, 2026

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Fetal alcohol spectrum disorders (FASD) cause facial changes. Researchers used zebrafish and morphometric analysis to study these craniofacial alterations, providing insights into gene-ethanol interactions.

Area of Science:

Developmental biology
Genetics
Comparative anatomy

Background:

Fetal alcohol spectrum disorders (FASD) result in diverse physical, cognitive, and behavioral disabilities due to prenatal ethanol exposure.
Genetic factors influence the variability of FASD, particularly affecting facial skeletal development, complicating shape analysis.
Zebrafish offer a robust model for studying gene-ethanol interactions and craniofacial development due to genetic homology and experimental advantages.

Purpose of the Study:

To develop and apply a morphometric approach for analyzing craniofacial shape alterations in zebrafish exposed to ethanol.
To investigate the complex interplay between genetic factors and ethanol exposure in shaping facial morphology.
To establish a reliable method for assessing overall facial shape changes beyond simple linear measurements.

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Last Updated: Mar 18, 2026

Analyzing Craniofacial Morphogenesis in Zebrafish Using 4D Confocal Microscopy

Analyzing Craniofacial Morphogenesis in Zebrafish Using 4D Confocal Microscopy

Published on: January 30, 2014

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Published on: September 12, 2025

Building Finite Element Models to Investigate Zebrafish Jaw Biomechanics

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Published on: December 3, 2016

Main Methods:

Utilized zebrafish as a model organism for craniofacial development studies.
Employed a morphometric approach incorporating principal component analysis (PCA).
Leveraged freeware software (tpsDigs2, MorphoJ, PAST) for multivariate statistical analyses of facial shape.

Main Results:

The study outlines a comprehensive morphometric approach to analyze facial shape in ethanol-treated zebrafish.
Multivariate statistical analyses were conducted to assess overall facial morphology and pairwise comparisons.
This method addresses limitations of linear measures and head size variations in interpreting craniofacial changes.

Conclusions:

The described morphometric approach effectively analyzes complex craniofacial shape variations in zebrafish models of FASD.
This methodology provides a framework for understanding gene-ethanol interactions influencing facial development.
The study highlights the utility of zebrafish and advanced morphometrics in FASD research.