Muscles
What are the functions of muscles
muscles expand and contract to make movement possible
Lateral (external) pterygoids
function of this muscle is to wrinkle teh skin of the chin
mentalis
Where is the philtrum located?
the top of lip towards the bottom of the nose
Which muscle is shaped like a fan?
Temporalis muscle
Strong elevator of the jaw, muscle can be seen when teeth clench
Masseter
Which cranial nerve innervates the face and oral activity the most
Trigeminal V
Elevates the mandible ( its only job)
Medial (internal) pterygoids
What muscle is around the lip area
Orbularis oris
What muscle lifts the corner of the lips upward and back ward (smiling motion)
Zygomatic Major
What are two types of veins?
Deep located within the muscle
Superficial closer to the skin's surface
What muscle is located below the lip
Mentalis
What muscle is inferior to the Zygomatic minor?
Zygomatic major
What muscle compresses the cheeks against the teeth (blowing air out)
Buccinator
Functions of the arteries and veins?
Supply blood and nutrients to the face and oral cavity....Drain unoxygenated blood & waste products
What are the 8 cranial bones?
Frontal 1/ Occipital 1 / Sphenoid 1 / Ethnoid 1
Temporal2
Parietal 2
Major muscles of facial expression x4
Mentalis
Orbicularis oris
Buccinator
Zygomatic major
Name 3 of the 7 muscle categories of the head and neck
mastication/facial expression/floor of the mouth/tongue/soft palate/neck/ and pharynx
The three divisions of the trigeminal nerve.
Ophthalmic nerve
Maxillary nerve
Mandibular nerve
Describe the external carotid
supplies blood to the face and oral cavity
branches go to the throat, tongue, face and ears and wall of the cranium