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39 Cards in this Set

  • Front
  • Back
Boundaries of the Parotid region - posterior
Mastoid process
Boundaries of the Parotid region - anterior
Ramus of mandible
Boundaries of the Parotid region - superoposterior
Floor of External Auditory Meatus
Boundaries of the Parotid region - superior
Zygomatic arch
Boundaries of the Parotid region - medial
Styloid process
Boundaries of Temporal Fossa - floor
Portions of:
- Frontal bone
- Sphenoid bone
- Temporal bone
- Parietal bone
Boundaries of Temporal Fossa - Anterior
Frontal process of Zygoma

Zygomatic process of Frontal
Boundaries of Temporal Fossa - Superior
Superior temporal line
Boundaries of Temporal Fossa - Posterior
Superior temporal line
Boundaries of Temporal Fossa - Inferior
Zygomatic arch
Boundaries of Infratemporal fossa - Lateral Wall
Coronoid process
Boundaries of Infratemporal fossa - Medial
Lateral pterygoid plate
Boundaries of Infratemporal fossa - Roof
Infratemporal surface
Greater Wing
Boundaries of Infratemporal fossa - Anterior
Posterior portion of maxilla
What are contained in the Ovale Foramina?
1. Mandibular nerve (V3)
2. Lesser Petrosal nerve
3. Accessory meningeal artery
What are contained in the Spinosum Foramina?
1. Meningeal branch of Mandibular nerve

2. Middle Meningeal artery
What are the two tributaries of the Retromandibular vein?
1. Superficial Temporal Vein

2. Maxillary Vein
What are the two branches of retromandibular vein?
Anterior branch

Posterior branch
What occurs with the anterior branch of the retromandibular vein?
Joins the facial vein to form common facial vein.
What occurs with the posterior branch of the retromandibular vein?
Joins the posterior auricular vein to form external jugular vein.
Where does the common facial vein drain into?
Internal Jugular Vein
Where does the External Jugular Vein drain into?
Subclavian vein
Facial veins connect with venous sinuses in cranial vault (via emissary veins) without valves. Why is this clinically important?
If bacterial pus doesn't come out, it can end up in the cavernous sinus (via emissary veins).

This leads to meningitis
Which muscles elevate (close) the jaw?
1. Masseter
2. Temporalis
3. Medial Pterygoid
Which muscles depress (open) the jaw?
1. Geniohyoid
2. Mylohyoid
3. Infrahyoid
4. Lateral Pterygoid
5. Digastric
What are the fibrous structures that attach mandible to skull?
1. Capsule
2. Lateral Temporomandibular ligament
3. Stylomandibular ligament
4. Sphenomandibular ligament
Which muscles retract the jaw?

Which muscles protrude the jaw?
Pterygoids (medial + lateral)

What happens with the head of mandible and the articular disc when opening jaw?
Both move forward

until the mandibular head lies anterior to the articular tubercle
What happens when the jaw is dislocated?
The head of the mandible becomes lodged anterior to the articular tubercle.
What does the maxillary artery come off of?
Internal carotid
What are the three parts of the maxillary artery?
1. Mandibular
2. Pterygoid
3. Pterygopalatine
List two arteries that branch off the mandible portion of the maxillary artery in order.
1. Deep Auricular
2. Anterior Tympanic
3. Middle Meningeal
4. Inferior Alveolar
5. Accessory Meningeal
The Inferior Alveolar artery gives rise to what two branches?
1. Mylohyoid a.
2. Mental a.
List the arteries that branch off the pterygoid portion of the maxillary artery in order.
1. Masseter
2. Pterygoids
3. Deep Auricular
4. Buccal
List the arteries that branch off the pterygopalatine portion of the maxillary artery in order.
1. Sphenopalatine
2. Descending palatine
3. Infraorbital
4. Posterior Superior Alveolar
5. Middle Superior Alveolar
6. Pharyngeal
7. Anterior Superior Alveolar
8. Arteries to pterygoid canal
What are the branches of he mandibular nerve (V3) and where do they go to?
1. Buccal nerve (to cheek)
2. Auriculotemporal nerve (ear and temporal region)
3. Inferior Alveolar nerve (teeth and chin)
4. Lingual (anterior 2/3 tongue)
Which motor muscles does the mandibular (V3) innervate?
Pterygoids (lateral + medial)

Anterior belly of digastric
Tensor Veli Palatini
Tensor Tympani
Which is the only branch of the mandibular that does not have a cutaneous branch?