A facial expression is a motion or position of the muscles of the face. Facial expressions often express, or are interpreted as expressing, emotion.
Facial expressions include:
- blank
- excitement
- laughter
- crying (that is with sadness)
- shock
- puzzled
- frown
- desire
- eavesdropping
- concentration
- smile
- smugness or self-satisfaction
- sneer
- snarl
- etc.
- 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
- Mentalis muscle
- Nasalis muscle
- Orbicularis oculi muscle
- Orbicularis oris muscle
- Platysma muscle
- Procerus muscle
- Risorius muscle
- Zygomaticus major muscle
- Zygomaticus minor muscle