Parotid Bed and Temporal Region

Question 1

parotid duct location

Answer 1

transversely passes over masseter then pierces buccinator
-opens into oral vestibule

Question 2

parotid capsule significance

Answer 2

viral inflamm of salivary glands with strong facia causes intense pain aka the mumps
-investing layer of deep cervical fasica around parotid gland

Question 3

nerve supply to gland

Answer 3

1. parasymp from glossopharyngeal via lesser petrosal N then rides with auriculotemporal from V3 to reach parotid
2. symp from superior cervical ganglion
3. sensory from great auricular from cervical plexus and auriculotemporal N

Question 4

structures in the gland

Answer 4

1. lymph nodes
2. great auricular N
3. facial N + branches
4. retromandibular V
5. external carotid A
6. auriculotemporal N

Question 5

facial N branches

Answer 5

before gland: post auricular, N to stylohyoid, post belly digastric
in gland: temporal, zygomatic, buccal, mandibular, cervical

Question 6

retromandibular V

Answer 6

deep to facial N
from union of superficial temp and maxillary V
-posterior division + post auricular = external jug V
-anterior divison + facial V = internal jug

Question 7

external carotid A branches

Answer 7

1. posterior auricular to deep structures post auricle
2. superficial temporal to temporal region superficial to temporalis
3. maxillary dives deep to neck of mandible to infratemporal fossa

Question 8

auriculotemporal N V3

Answer 8

cutaneous inn to skin of auricle, temporal region, anterior to auricle

Question 9

temporalis M

Answer 9

inn: V3
og @ floor of temporal fossa > in @ coronoid process of mandible

elevates and retracts mandible bilateral
side to side motion if unilateral

Question 10

masseter M

Answer 10

inn: V3
og @ zygomatic arch > in @ angle and lateral surface of ramus mandible

elevates mandible, protrusion bilateral
side to side motion unilateral