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Related Experiment Video

Updated: Jul 6, 2026

A Morphometric and Cellular Analysis Method for the Murine Mandibular Condyle

A Morphometric and Cellular Analysis Method for the Murine Mandibular Condyle

Published on: January 11, 2018

Human temporomandibular joint morphogenesis.

Francesco Carini¹, Giuseppe Alessandro Scardina, Carola Caradonna

¹Department of Experimental Medicine, Section of Human Anatomy, University of Palermo, Italy.

Italian Journal of Anatomy and Embryology = Archivio Italiano Di Anatomia Ed Embriologia

|March 13, 2008

Summary

This summary is machine-generated.

The condyle is the first structure to develop during temporomandibular joint (TMJ) formation, appearing between weeks 6-8. The TMJ disc likely develops from genetic factors, not mechanical pressure.

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Area of Science:

Developmental Biology
Craniofacial Development
Anatomy

Background:

Temporomandibular joint (TMJ) development is crucial for jaw function.
Understanding TMJ morphogenesis provides insights into congenital abnormalities.

Purpose of the Study:

To investigate the temporal sequence of human temporomandibular joint morphogenesis.
To determine the origins of the TMJ disc during embryonic development.

Main Methods:

Histological examination of human fetal specimens.
Age range of fetuses: 6 to 14 weeks of gestation.

Main Results:

The condylar blastema (condyle precursor) is the first identifiable element, appearing between weeks 6-8.
Temporal elements appear around week 9.
The articular disc differentiates early, suggesting a genetic basis rather than mechanical compression.
Inferior and superior joint cavities form by weeks 12 and 13-14, respectively.

Conclusions:

Condyle formation initiates TMJ morphogenesis.
The articular disc's development is likely genetically regulated.
The TMJ develops significantly later than major limb joints.