Lateral pterygoid muscle
Lateral Pterygoid Muscle
The Lateral Pterygoid Muscle (pronunciation: lat-er-al ter-i-goid mus-cle) is a muscle of the head and is part of the muscular system.
Etymology
The term 'Lateral Pterygoid Muscle' is derived from the Greek words 'pteryx' meaning 'wing' and 'eidos' meaning 'form or shape'. The term 'lateral' is derived from the Latin word 'latus' meaning 'side'. Thus, the term refers to the wing-shaped muscle located on the side of the head.
Function
The Lateral Pterygoid Muscle is primarily responsible for the opening and protrusion of the jaw. It also plays a significant role in the side-to-side movement of the jaw, aiding in the process of chewing.
Related Terms
- Medial Pterygoid Muscle: A muscle that works in conjunction with the Lateral Pterygoid Muscle to control the movements of the jaw.
- Temporomandibular joint: The joint that connects the jaw to the skull, which is directly influenced by the actions of the Lateral Pterygoid Muscle.
- Masseter Muscle: Another muscle involved in the movement and control of the jaw.
See Also
External links
- Medical encyclopedia article on Lateral pterygoid muscle
- Wikipedia's article - Lateral pterygoid muscle
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