Temporo-Mandibular Joint Flashcards Preview

Thought, Sense and Movement > Temporo-Mandibular Joint > Flashcards

Flashcards in Temporo-Mandibular Joint Deck (18)
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1
Q

Name the five layers of the scalp?

A
Skin
Connective tissue
Aponeurosis
Loose areolar layer
Pericranium
2
Q

The aponeurosis is between which two muscle bellies?

A

Frontal belly and Occipital belly of Occipitofrontalis

3
Q

Why is the loose areolar layer known as the ‘danger area’?

A

It contains emissary veins that drain into the dural venus sinus

4
Q

What type of joint is the temporomandibular joint?

A

Synovial

5
Q

Name the three extra-capsular ligaments that stabilise the TMJ?

A

Stylomandibular ligament
Lateral ligament
Sphenomandibular ligament

6
Q

Name the two processes on the top of the mandible?

A

Condylar process

Coronoid process

7
Q

Which nerve travels within the mandibular foreman?

A

Inferior alveolar nerve

8
Q

What is the name of the lined on the inner aspect of the mandible and which muscle attaches here?

A

Mylohyoid line

Mylohyoid muscle

9
Q

Name the four muscles of mastication and state their actions upon the TMJ?

A

Temporalis - Retraction and Elevation
Masseter - Retraction and Elevation
Medial pterygoid - Elevation and Side/Side
Lateral pterygoid - Protrusion and Side/Side

10
Q

What is the nerve innervation of temporalis?

A

Deep temporal nerve (V3)

11
Q

What is the nerve innervation of masseter?

A

Masserteric nerve (V3)

12
Q

What is the nerve innervation of medial pterygoid?

A

Medial pterygoid nerve (V3)?

13
Q

Both the lateral and medial pterygoid muscles are attached to which bone?

A

The lateral pterygoid plate

14
Q

Name the artery that supplies the muscles of mastication, and name the point of entry into the cranium?

A

The middle meningeal, branch of the maxillary

Foreman spinosum

15
Q

Name the exit point of V3 from the cranium?

A

Foreman ovale

16
Q

Name the four branches of the anterior division of V3?

A

Anterior = Motor

  1. Deep temporal
  2. Masserteric
  3. Lateral pterygoid
  4. Buccal (sensory)
17
Q

Name the four branches of the posterior division of V3?

A

Posterior = Sensory

  1. Ligual
  2. Auriculotemporal
  3. Inferior alveolar
  4. Mylohyoid (motor)
18
Q

Name the nerve which hitches a lift off the Lingual branch of V3?

A

Chorda tympani - CN (VII) supplies the ANT 2/3 of the tongue with taste senstation