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The pterygoideus propius muscle revisited
B Penhall1, G Townsend, S Tomo
1Department of Dentistry, University of Adelaide, South Australia, Australia.
Clinical Anatomy (New York, N.Y.)
|September 2, 1998
Summary
The pterygoideus proprius muscle, an anatomical anomaly, was identified in three individuals. Its potential embryological origin and functional significance are discussed.
Area of Science:
- Anatomy
- Embryology
- Human Morphology
Background:
- The infratemporal fossa is a complex anatomical region.
- Anatomical variations can impact surgical procedures and understanding of function.
- The pterygoideus proprius muscle is a rare anomaly.
Purpose of the Study:
- To report the identification of the pterygoideus proprius muscle.
- To suggest the embryological origin of this muscle anomaly.
- To speculate on the functional role of the pterygoideus proprius muscle.
Main Methods:
- Anatomical dissection and observation.
- Comparative embryological analysis.
- Functional morphology speculation.
Main Results:
- Three cases of the pterygoideus proprius muscle anomaly were identified.
- The anomaly presents with fixed attachments to the infratemporal crest and lateral pterygoid plate.
- A potential embryological pathway is proposed.
Conclusions:
- The pterygoideus proprius muscle is a distinct anatomical variant.
- Understanding its embryogenesis may shed light on craniofacial development.
- Further research is needed to elucidate its functional implications.