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Aberrant attachment of orbicularis oculi: case report
1Department of Anatomy, Maulana Azad Medical College and Associated Hospitals, New Delhi -110 002, India. sehgalritu@hotmail.com
Indian Journal of Ophthalmology
|September 3, 2005
Summary
An unusual bony attachment of the Orbicularis oculi muscle was found on the zygomatic bone in an Indian male cadaver. This anatomical variation may have significant clinical and embryological implications.
Area of Science:
- Anatomy
- Morphology
- Human Anatomy
Background:
- The Orbicularis oculi muscle plays a crucial role in eyelid function.
- Its orbital part typically originates from the frontal bone and maxilla.
- Lateral bony attachments to the zygomatic bone are not a recognized anatomical feature.
Observation:
- A routine cadaveric dissection revealed an aberrant lateral bony attachment.
- This unique attachment involved the orbital part of the Orbicularis oculi muscle.
- The attachment was specifically noted on the zygomatic bone.
Findings:
- The observed anomaly represents a deviation from standard anatomical descriptions.
- This aberrant muscular attachment suggests a potential variation in craniofacial development.
- The finding highlights the possibility of uncatalogued anatomical variations in the head and neck region.
Implications:
- Understanding such variations is crucial for accurate interpretation during surgical procedures.
- Embryological analysis may shed light on the developmental origins of this muscular peculiarity.
- This case underscores the importance of detailed anatomical knowledge in clinical practice and research.