Name the five layers of the scalp?
Skin Connective tissue Aponeurosis Loose areolar layer Pericranium
The aponeurosis is between which two muscle bellies?
Frontal belly and Occipital belly of Occipitofrontalis
Why is the loose areolar layer known as the ‘danger area’?
It contains emissary veins that drain into the dural venus sinus
What type of joint is the temporomandibular joint?
Synovial
Name the three extra-capsular ligaments that stabilise the TMJ?
Stylomandibular ligament
Lateral ligament
Sphenomandibular ligament
Name the two processes on the top of the mandible?
Condylar process
Coronoid process
Which nerve travels within the mandibular foreman?
Inferior alveolar nerve
What is the name of the lined on the inner aspect of the mandible and which muscle attaches here?
Mylohyoid line
Mylohyoid muscle
Name the four muscles of mastication and state their actions upon the TMJ?
Temporalis - Retraction and Elevation
Masseter - Retraction and Elevation
Medial pterygoid - Elevation and Side/Side
Lateral pterygoid - Protrusion and Side/Side
What is the nerve innervation of temporalis?
Deep temporal nerve (V3)
What is the nerve innervation of masseter?
Masserteric nerve (V3)
What is the nerve innervation of medial pterygoid?
Medial pterygoid nerve (V3)?
Both the lateral and medial pterygoid muscles are attached to which bone?
The lateral pterygoid plate
Name the artery that supplies the muscles of mastication, and name the point of entry into the cranium?
The middle meningeal, branch of the maxillary
Foreman spinosum
Name the exit point of V3 from the cranium?
Foreman ovale
Name the four branches of the anterior division of V3?
Anterior = Motor
- Deep temporal
- Masserteric
- Lateral pterygoid
- Buccal (sensory)
Name the four branches of the posterior division of V3?
Posterior = Sensory
- Ligual
- Auriculotemporal
- Inferior alveolar
- Mylohyoid (motor)
Name the nerve which hitches a lift off the Lingual branch of V3?
Chorda tympani - CN (VII) supplies the ANT 2/3 of the tongue with taste senstation
