n and a supply to parts of face

Question 1

Parotid gland

Answer 1

• Transverse facial a (superficial temp a)
• Posterior auricular a (ECA)
• Sensory: Articular branch of auriculotemporal n (CNV3)
• Parasympathetic: Lesser petrosal n (CN9) via otic ganglion
• Sensory: Greater auricular n (C2, C3)

Question 2

TMJ

Answer 2

• Articular branches of transverse facial a (superficial temp a)
• Masseteric a (max a)
• Deep auricular a (max a)
• Articular branch of auriculotemporal n (CNV3)
• Masseteric n (CNV3)
• Deep temporal nn (CNV3)

Question 3

EAM

Answer 3

• Anterior auricular branches of transverse facial a (superficial temp a)
• Deep auricular a (max a)

• Auricular branch of auriculotemporal n (CNV3)

Question 4

Lateral angle of orbit

Answer 4

• Zygomatico-orbital a (superficial temp a)

* Lacrimal n (CNV1)

Question 5

Medial angle of orbit

Answer 5

• Dorsal nasal a (ophthalmic a)

* Infratrochlear n (CNV1)

Question 6

Upper eyelid

Answer 6

▪ Supraorbital a (ophthalmic a)
▪ Supratrochlear a (ophthalmic a)
▪ Angular a (facial a)-medial aspect

• Supraorbital n (CNV1)
• Supratrochlear n (CNV1)- medial portion
• Lacrimal n (CNV1) -lateral portion

Question 7

Lower eyelid

Answer 7

• Infraorbital a (max a)
• Angular a (facial a)-medial aspect

• Inferior palpebral n (CNV2)

Question 8

Lacrimal sac

Answer 8

• Dorsal nasal a (ophthalmic a)

* Infratrochlear n (CNV1)

Question 9

Lacrimal gland

Answer 9

• Lacrimal a (ophthalmic a)

• Lacrimal n (CNV1)
• zygomatic n

Question 10

Dorsum of nose

Answer 10

• Dorsal nasal a (ophthalmic a)
• External nasal a (ophthalmic a)
• Lateral nasal a (facial a)
• Anterior ethmoidal a (ophthalmic a)

• External nasal n (CNV1 - branches of anterior ethmoidal n)

Question 11

Lateral wall of nasal cavity

Answer 11

• Posterior lateral nasal branch (max a)
• Anterior ethmoidal a (ophthalmic a)
• Posterior ethmoidal a (ophthalmic a)
• Posterior superior lateral nasal nn (CNV2)
• Posterior inferior lateral nasal nn (CNV2) - branch of greater palatine n
• Anterior superior alveolar n (CNV2) - anterior aspect

Question 12

Septum

Answer 12

• Anterior ethmoidal a (ophthalmic a)
• Posterior ethmoidal a (ophthalmic a)
• Posterior septal branch (max a)
• Superior labial a (facial a) - anterior aspect
• Posterior superior medial nasal nn (CNV2)
• Nasopalatine n (CNV2)
• Lateral nasal n // internal nasal branch (CNV2 - of infraorbital n) – antero-inferior portion

Question 13

ala of nose

Answer 13

• External nasal a (ophthalmic a)
• Lateral nasal a (facial a)

• External nasal n (CNV1-branches of anterior ethmoidal n)

Question 14

Vestibule of nose

Answer 14

• Superior labial (facial a)
• Lateral nasal (facial a)

• Internal branch of lateral nasal n (CNV2)

Question 15

Upper lip

Answer 15

• superior labial branch (infraorbital a - max a)
• Superior labial a (facial a)

• Superior labial n (CNV2)

Question 16

lower lip

Answer 16

• Mental a (max a)
• Inferior labial a (facial a)

• Inferior labial n (CNV3)

Question 17

Soft palate

Answer 17

• Lesser palatine a (max a)
• Ascending palatine a (facial a)
• Ascending pharyngeal a (ECA)

• Lesser palatine n (CNV2)