Muscular system
Risorius muscle
Musculus risorius
- System
- Muscular system
- Regions
- Head
- Side
- Left and right
- Part of
- Facial muscles
DescriptionUnreviewed
The risorius muscle is a muscle of facial expression.
It arises from the fascia over the parotid gland, and inserts into the angle of the mouth.
It is supplied by the facial nerve (CN VII).
It may be absent or asymmetrical in some people.
It retracts the angle of the mouth during smiling.
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Source: Wikipedia · Text licence: CC BY-SA 3.0 · This text comes from the source data and has not been reviewed by a person yet.
Names
- Latin
- Musculus risorius
- English
- Risorius muscle
- French
- Muscle risorius
- Spanish
- Músculo risorio
- Portuguese
- Músculo risório
In the same group
- Bucinator
- Corrugator supercilii
- Depressor anguli oris
- Depressor labii inferioris
- Depressor septi nasi
- Levator anguli oris
- Levator labii superioris
- Levator nasolabialis
- Mentalis muscle
- Nasalis muscle
- Orbicularis oris muscle
- Orbital part of orbicularis oculi
- Palpebral part of orbicularis oculi
- Procerus muscle
- Zygomaticus major muscle
- Zygomaticus minor muscle