Orbicularis oris muscle

From Freepedia

Image:Orbicularis oris.jpg In human anatomy, the orbicularis oris muscle is the sphincter muscle around the mouth and innervated by cranial nerve VII, the facial nerve. It is sometimes known as the kissing muscle because it is used to pucker the lips. It is also one of the muscles used in the playing of all brass instruments and some woodwind instruments.

External links

• Facial Muscles - BBC Picture of the circular-shaped muscle
• Facial Muscles - BBC (Flash) Animation of movements of the muscle
• Orbicularis oris muscle - gpnotebook.co.uk

Muscles of the head

facial expression: Auricularis anterior muscle - Buccinator muscle - Corrugator supercilii muscle - Depressor anguli oris muscle - Depressor labii inferioris muscle - Depressor septi nasi muscle - Frontalis muscle - Levator anguli oris muscle - Levator labii supeioris muscle - Levator labii superioris alaeque nasi muscle - Levator palpebrae superioris muscle - Mentalis muscle - Nasalis muscle - Occipitalis muscle - Orbicularis oculi muscle - Orbicularis oris muscle - Platysma - Procerus muscle - Risorius muscle - Zygomaticus major muscle - Zygomaticus minor muscle mastication: Lateral pterygoid muscle - Masseter muscle - Medial pterygoid muscle - Temporalis muscle extraocular: Inferior oblique muscle - Inferior rectus muscle - Lateral rectus muscle - Medial rectus muscle - Superior oblique muscle - Superior rectus muscle intraocular: Ciliary body - Iris dilator muscle - Iris sphincter muscle