Parotid and temporal

Question 1

What is the shallow depression on the anterior surface of the condylar process?

Answer 1

Pterygoid fovea

Question 2

Which portion of the temporal bone contains the temporal fossa?

Answer 2

Squamous

Question 3

What portion of the temporal bone makes up the cheek bone?

Answer 3

zygomatic process of the temporal

Question 4

What eminence borders the mandibular fossa?

Answer 4

Articular tubercle

Question 5

What 2 landmarks does the tympanic portion of the temporal bone include?

Answer 5

External Auditory Meatus, styloid process

Question 6

The spine of the sphenoid marks what 2 portions of the temporal bone?

Answer 6

Petrous and squamous

Question 7

What is the strongest ligament of the TMJ?

Answer 7

lateral temporomandibular ligament

Question 8

What portion of the sphenoid bone articulates with the temporal bone?

Answer 8

Greater wings

Question 9

What are the hook-like projections on the ends of the pterygoid plates?

Answer 9

Pterygoid Hamulus

Question 10

Which pterygoid plate does the medial pterygoid muscle attach to?

Answer 10

Lateral Pterygoid plate (medial surface)

Question 11

Which head of the lateral pterygoid muscle attaches to the lateral portion of the lateral pterygoid plate?

Answer 11

Inferior head

Question 12

Where does the superior head of the lateral pterygoid muscle insert?

Answer 12

pterygoid fovea, TMJ joint capsule, TMJ articular disk**

Question 13

What branch/nerve feeds the pterygoid muscles?

Answer 13

Opthalmic branch of the trigeminal nerve

Question 14

Where do the heads of the temporalis originate?

Answer 14

Deep: Inferior temporal line, Superficial: temporal fascia

Question 15

What superficially covers the masticatory muscles?

Answer 15

Masserteric fascia

Question 16

What fascia is the deep cervical fascia a part of?

Answer 16

Masserteric fascia

Question 17

What forms the lateral and inferior border of the temporal fossa?

Answer 17

zygomatic arch

Question 18

On what bone is the superior temporal line?

Answer 18

Parietal

Question 19

Where does the temporalis insert?

Answer 19

the anterior (and sometimes lateral) portion of the coronoid process/ramus

Question 20

What separates the temporalis heads?

Answer 20

Deep temporal fascia

Question 21

What 3 muscles form the musclar line along the pteryomaxillary fissure?

Answer 21

inferior/superior head of lateral pterygoid, superficial head of medial pterygoid

Question 22

How is the TMJ cartilage different from other joints?

Answer 22

it is covered by a relatively thick layer of fibrocartilage

Question 23

What separates the opposing fibrocartilage surfaces of the TMJ

Answer 23

Articular disk

Question 24

Anterior band

Answer 24

Portion of the articular disk bound to the anterior portion of the TMJ capsule

Question 25

What part of the articular disk is thickest?

Answer 25

Posterior band

Question 26

What does the articular disk divide in the TMJ?

Answer 26

Superior/inferior disk space

Question 27

Where are depression/elevtion movements of the mandible accomplished in the TMJ?

Answer 27

inferior disk space

Question 28

Where are anterior/posterior movements of the mandible accomplished?

Answer 28

Superior disk space

Question 29

What is the connection between the posterior end of the articular disk and joint capsule?

Answer 29

Retrodiskal Tissue

Question 30

What produces the TMJ click?

Answer 30

The articular disk sliding back and forth over the anterosuperior surface of the condyle

Question 31

What divides the parotid gland?

Answer 31

Masseter

Question 32

What fascia envelops the parotid gland?

Answer 32

Medial: masserteric fasic, Lateral: Parotid fascia

Question 33

Exit foramen of the facial nerve?

Answer 33

Stylomastoid foramen

Question 34

Where does the facial nerve bifurcate?

Answer 34

the parotid gland (temporofacial and cervicofacial divisions)

Question 35

What is the path of the parotid duct?

Answer 35

anterior surface of the gland, over the lateral surface of the masseter, dives medial at the anterior margin of the masseter, pierces the buccinator to enter the oral cavity

Question 36

What is the opening inside the mouth for the parotid duct?

Answer 36

Parotid papilla

Question 37

Parotitis

Answer 37

Inflamation of the parotid gland. Blockage of the gland/duct. Increased size of papilla and gritty discharge into the mouth

Question 38

Path of the posterior auricular artery

Answer 38

Off of ECA, deep t oparotid gland, posterior border of the external auditory meatus, crossing supramastoid crest

Question 39

Where dose the ECA bifurcate?

Answer 39

Parotid gland

Question 40

Path of the superior temporal artery

Answer 40

from parotid gland, runs superiorly along anterior border of EAM, gives rise to middle temporal artery at zygomatic process of temporal, branches over the surface of the temporalis

Question 41

What are the borders of the mandibular segment of the maxillary artery?

Answer 41

Deep to neck of condylar process, superficial to sphenomandibularligament

Question 42

Pterygoid segment of the maxillary artery borders

Answer 42

Deep to coronoid process/insertion of temporalis, lateral surface of lateral pterygoid muscle

Question 43

Demarcation for pterygomaxillary segment of maxillary artery

Answer 43

The passage between the lateral pterygoid heads

Question 44

Deep temporal arteries path

Answer 44

Off of pterygoid segment of Max artery, enter deep head of temporalis, astamose with middle temporal artery

Question 45

Where is the maxiallry venous plexus?

Answer 45

Deep to coronoid process and temporalis, superficial to lateral pterygoid

Question 46

What forms the anterior retromandibular vein?

Answer 46

Maxillary venous plexus, superficial temporal vein

Question 47

Veins that form the EJV

Answer 47

Posterior retromandibular vein, posterior auricular vein

Question 48

What veins run thru the parotid gland?

Answer 48

Anterior/posterior retroarticular veins

Question 49

Veins that form the IJV

Answer 49

Anterior retromandibular vein+facial vein + lingual vein= Common truck, merges with IJV

Question 50

Largest of trigeminal nerve branches

Answer 50

Mandibular

Question 51

Foramen for mandibular division of trigeminal nerve

Answer 51

foramen ovale

Question 52

Path of mandibular division

Answer 52

Exits via foramen ovale, deep to temporalis/coronoid process, superficial to pterygoids

Question 53

Sensory paths of mandibular division

Answer 53

parotid, auriculotemporal, masseteric

Question 54

Motor paths of mandibular division

Answer 54

4 muscles of mastication

Question 55

4 muscles of mastication

Answer 55

temporalis, medial/lateral pterygoids, masseteric

Question 56

3 neural components of parotid gland

Answer 56

Auriculotemporal (via otic ganglion), lesser petrosal nerve (via otic ganglion/glossopharyngeal nerve), superior cervical gangion/carotid plexus (sympathetic innervation)