Parotid Gland and Temporal Region Flashcards
What is the parotid gland?
- Salivary gland
- Serous acini only
Describe the capsule of the parotid gland
- CT capsule
- Dense fibrous capsule
- Extends as stylomandibular ligament
Function of the stylomandibular ligament?
Intervenes between parotid and submandibular salivary gland
Describe the duct of the parotid gland.
- Single duct
- Below zygomatic arch
Describe the journey of the parotid duct.
- Sharp medial turn to pierce buccal fat pad and buccinator
- Enter oral cavity at upper second molar
Identify the branches of the facial nerve in this diagram. picture
Picture
What other structures are present near the parotid gland?
- Superficial temporal vessels
- Auriculotemporal nerve
- Posterior auricular vessels
- Facial vessels
- Transverse facial artery
What does the external carotid artery form?
- Superficial temporal artery
- Maxillary artery
What makes up the retromandibular vein?
Union of superficial temporal and maxillary veins
What divides the parotid gland into deep and superficial parts?
Facial nerve
What supplies the parotid gland with parasympathetic secretomotor innervation?
Glossopharyngeal nerve
Where do post ganglionic sympathetic nerve fibres come from to supply the parotid gland?
Plexus around the external carotid artery
Lymphatics of the skull. picture
picture
What are the 4 muscles of mastication?
- Temporalis
- Masseter
- Medial pterygoid
- Lateral pterygoid
What innervates the muscles of mastication?
Mandibular division of the trigeminal nerve
