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An accessory mylohyoid muscle

U Sehirli¹, S Cavdar

¹Department of Anatomy, Faculty of Medicine, Marmara University, Istanbul, Turkey.

Surgical and Radiologic Anatomy : SRA

|January 1, 1996

Summary

A rare accessory mylohyoid muscle anomaly was discovered during a submandibular dissection. This anatomical variation may offer functional support to the floor of the mouth.

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Area of Science:

Anatomy
Morphology
Human Anatomy

Background:

The mylohyoid muscle is a key component of the floor of the mouth.
Accessory muscles can arise as anatomical variations, impacting function.
Submandibular region dissections are crucial for understanding oral anatomy.

Observation:

A unilateral left accessory mylohyoid muscle was identified during dissection.
The anomaly was situated between the anterior belly of the digastric and the mylohyoid muscles.
Its origin was the left mylohyoid line of the mandible, inserting into the mylohyoid raphe and hyoid bone.

Findings:

The accessory muscle represents a rare anatomical variation.
This finding contributes to the known spectrum of mylohyoid muscle anomalies.
Detailed anatomical description of the accessory muscle's origin and insertion.

Implications:

Accessory mylohyoid muscles may influence the functional dynamics of the floor of the mouth.
Understanding such anomalies is important for surgical procedures in the head and neck region.
This case highlights the importance of thorough anatomical dissection to identify rare variations.

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