Temporal Region and Perotid Glands

Where is the parotid gland located, what is it and what encloses it.

Located in the preauricular region, near mastoid process. The largest salivary gland enclosed by the parotid sheath.

Through which muscle does the paroid duct pass

Buccinator

Where does the parotid duct open

Opposite the 2nd molar tooth

What major nerve passes through the parotid gland

Facial nerve - CNVII, but does not supply it.

What major vein and artery is found in the parotid gland

Retromandibular V
External carotid A

Which nerve provides sensory innervation around the parotid sheath

Auriculotemporal - a branch of CN V3

Which nerve carries parasympathetic fibres to the parotid gland

Glossophrayngeal CN IX. Stimulates saliva

Where is the infratemporal fossa

Deep to the ramus of the mandible

Structures found in the infratemporal region:
Muscle
Artery
Venous structure
CN branches

Temporalis, lateral and medial pterygoid mm
Maxillary A
Pterygoid venous plexus
CN V3 and branches of CN VII

What bones form the TMJ articulation

Mandibular fossa, articular tubercule and head of mandible

What surrounds the TMJ

Joint capsule attached to articular margins of temporal bone and neck of mandible

What is the articular disc of the TMJ

Fibrous disc seperating joint cavities and improving movement and stability.

What are the ligaments of the TMJ

Temporomandibular
Spehnomandibular
Stylomandibular