Muscles of the face Flashcards
what nerve innervates the face muscles
facial nerve
name the muscle that allows for flaring of nose
nasalis muscle
name muscle that allows for opening and closing of eyes
orbicularis oculli
name the muscle responsible for lifting of eyebrows
corrugator supercilli
name the muscle responsible for wrinkling of the nose
procerus
name the muscle that is responsible for elevation of upper lip
levator labii
name the muscle that is active when smiling and laughing and the area of attachment
zygomaticus which attaches at the zygomatic bone
which muscle is responsible for closing mouth and pouting
orbicularis oris
name the muscle involved in a smirk
risorius
name the muscle responsible for depressing the corners of the mouth
depressor anguli oris
what muscles depresses lower lip
depressor labii inferioris
what muscle is responsible for pouting
Mentalis
what are the functions of the buccinator muscle
smiling
keeping cheeks taut, to keep food pushed onto occlusal surface
what are the functions of the platysma muscle
- connects shoulder and chest with the mandible and face
- downs outer part of the lower lip down and back
what nerves supply the face
trigeminal nerve and cervical plexus (back of the neck)
name the three trigeminal nerves in order
ophthalmic
maxillary
mandibular
name the branches of the ophthalmic nerve
- supra-orbital
- supratrochlear
- infratrochlear
- external nasal
- lacrimal
name the branches of the maxillary division
- zygomaticotemporal
- zygomaticofacial
- intra-orbital
name the branches of the mandibular division
- Auriculotemporal
- Buccal
- Mental
C2
Greater occipital
C3
third occipital
C2 and C3
- lesser occipital
- Greater auricular
what is the main vessel that supplies the face
external carotid a.
name the anterior branches of external C.A
- superior thyroid
- lingual
- facial
