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Updated: May 1, 2026

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A Morphometric and Cellular Analysis Method for the Murine Mandibular Condyle
Published on: January 11, 2018
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Applied Mandibular Osteometry in Young Lambs: Morphometric and Clinical Insights
Julyana Fernandes de Lana1, Carolina Figueiredo Lopes1, Vitor Pires Pereira1
1Laboratório de Design Anatômico/LabDA-Departamento de Morfologia, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil.
Anatomia, Histologia, Embryologia
|January 15, 2025
Summary
Sheep mandible development shows significant age-related changes, with key features established by 155 days. This finding aids veterinary procedures and animal well-being in farming.
Area of Science:
- Veterinary Anatomy
- Animal Science
- Morphometrics
Background:
- Osteometric studies of the mandible are valuable for understanding anatomical variation due to factors like breed and gender.
- However, age-related developmental changes in sheep mandibles have not been extensively documented.
Purpose of the Study:
- To investigate the age-related morphometric changes in the sheep mandible.
- To determine when key mandibular structures, such as the mental and mandibular foramina, are fully formed.
Main Methods:
- Analysis of sheep mandible morphometric parameters across different age groups.
- Application of Person's correlation coefficient to assess the relationship between age and foramen position.
Main Results:
- Mandible morphometric parameters were significantly influenced by lamb age.
- All observed morphological characteristics in adult animals were present by 155 days of age.
- The positions of the mental and mandibular foramina are established by 155 days and are not affected by subsequent proportional mandibular growth.
Conclusions:
- Sheep mandible development is largely complete by 155 days of age.
- Understanding these developmental milestones enhances precision in veterinary clinical and anesthetic procedures.
- This knowledge contributes to improved animal health, welfare, and agricultural productivity.
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