Muscle
Mylohyoid
Floor of the mouth
High-yield
Forms the floor of the mouth; mylohyoid nerve (CN V3). Elevates the hyoid and tongue in swallowing.
Overview
A suprahyoid muscle forming the muscular floor of the oral cavity that elevates the hyoid and tongue during swallowing.
Reference facts
- Origin
- Mylohyoid line of the mandible
- Insertion
- Hyoid body and the median mylohyoid raphe
- Action
- Elevates the hyoid bone, floor of the mouth, and tongue during swallowing and speaking
- Innervation
- Mylohyoid nerve, a branch of the inferior alveolar nerve (CN V3)
- Blood supply
- Sublingual / submental arteries
Frequently asked questions
What does the mylohyoid do?
The mylohyoid elevates the hyoid bone, floor of the mouth, and tongue during swallowing and speaking.
What nerve innervates the mylohyoid?
The mylohyoid is innervated by the mylohyoid nerve, a branch of the inferior alveolar nerve (CN V3).
Where does the mylohyoid attach?
The mylohyoid originates from the mylohyoid line of the mandible and inserts on the hyoid body and the median mylohyoid raphe.
What is the blood supply of the mylohyoid?
The mylohyoid is supplied by the sublingual / submental arteries.