Face Parotid Region and Scalp
Muscles that induce facial expression are derived from which pharyngeal structure?
2nd arch
What are the 3 branches of the mandibular division of the trigeminal nerve
Auriculotemporal Buccal Mental
What is a deep muscle in the cheek through which the parotid ducts travel
Buccinator
What muscle is well developed in trumpet players
Buccinator
Which layer of the scalp is highly vascularized
Connective tissue
What facial muscle expresses concern or worry, where is it?
Corrugator supercilii - superomedial aspect of orbits
Bell's Palsy results from what?
Damage to facial nerve where it exits the skull - losing motor innervation to face
What muscles create a frown
Depressor Anguli Oris Depressor labii inferioris
Mandibular br of facial nerve innervates what muscles
Depressor Anguli Oris Oribicularis Oris Depressor Labii Inferioris
Facial vasculature is primarily via branches of ____________
External Carotid
What facial muscle flares the nostrils? Where is it found?
Nasalis - covering nose
What are the boundaries of the parotid region
Superior - zygomatic arch Posterior - EAM and SCM Medial - Masseter m Anterior - Masseter m Inferior - Angle of mandible
Describe the innervation of oribicularis oculi
Superior part - temporal br. of facial Inferior part - zygomatic br of facial
What 2 facial arteries come from the internal carotid artery?
Supra-orbital and Supratrochlear
The facial nerve exits the skull where?
Sytlomastoid foramen
What muscle is responsible for raising the eyebrows
Occipitofrontalis
Temporal branch of facial nerve innervates what muscles
Occipitofrontalis Oribicularis Oculi - superior part
What muscle closes the eyelids
Oribicularis Oculi
What muscle is used when kissing
Oribicularis Oris
What are the 5 branches of the facial nerve? Where do they all split off?
Temporal br Zygomatic br Buccal br Mandibular br Cervical br In parotid gland "To zanzabar by motor car"
What are the 2 parts of the orbicularis oculi?
Palpebral part - involuntary blinking Orbital part - voluntary closing eyes
What facial muscle expresses disdain or dislike? Where is it located?
Procerus - superior aspect of nose
What facial muscle displays sadness? Where is it found?
Risorus - cheeks
What are the layers of the scalp from superficial to deep?
SCALP Skin Connective Tissue Aponeurosis Loose areolar connective tissue Periosteum
Describe innervation of orbicularis oris
Top part - buccal branch of facial bottom part - mandibular br of facial
What nerve handles cutaneous innervation of the face
Trigeminal Nerve V1 - forehead, eyes, nose V2 - maxilla, upper lip, temples V3 - chin, cheeks, side of face
Describe where each branch of the trigeminal exits the skull
V1 - Supraorbital fissure V2 - Foramen Rotundum V3 - Foramen Ovale/Mental foramen
What are the 3 branches of the Maxillary division of the trigeminal nerve
Zygomaticotemporal Zygomaticofacial Infraorbital
What muscle produces a smile? What are its attachments?
Zygomaticus Major Lateral zygomatic bone Angle of mouth
zygomatic br of facial nerve innervates what facial muscles?
Zygomaticus Major Zygomaticus Minor Levator labii superiorois
Which 2 muscles elevate the upper lip
Zygomaticus minor Levator labii superioris
What layer of the scalp would allow fluid to settle
Loose areolar connective tissue
What facial muscle displays doubt? Where is it found?
Mentalis - chin
What are the 5 branches of the opthalmic division of the trigeminal nerve
1 - Supratrochelar 2 - Supraorbital 3 - Infratrochlear 4 - External Nasal 5 - Lacrimal
Describe the attachments of levator labii superioris
Infra orbital margin skin of upper lip
