Nerve and blood supply of the face

Question 1

What are the layers of the scalp?

Answer 1

Skin with hair follicles
Connective tissue with BV
Aponeurosis of occipto-frontalis (tendon)
Loose sub-aponeurotic connective tissue
Pericranium

Question 2

Where does V1 leave skull?

Answer 2

Superior orbital fissure

Question 3

Where does V2 leave the skull?

Answer 3

Fo. rotundum

Question 4

Where does V3 leave the skull?

Answer 4

Fo. ovale

Question 5

Other than sensory innervation to the face what does V2 and V3 innervate?

Answer 5

Teeth and supporting structures

Question 6

What nerve supplies motor innervation to muscles of mastication?

Answer 6

V3

Question 7

Attachments of massater?

Answer 7

Zygomatic arch and outer surface of mandible

Question 8

Is massater multi-pennate or bi-pennate and why?

Answer 8

Multi-pennate - used for strength

Question 9

What is the function of massater?

Answer 9

Elevates the mandible

Question 10

Attachments of temporalis?

Answer 10

Temporal fossa from the temporal line, crest and fascia. Coronoid process and retromandibular fossa

Question 11

Is temporalis multi-pennate or bi-pennate and why?

Answer 11

Bi-pennate for force and to restrict how much the jaw can move

Question 12

Where does the parotid gland lie?

Answer 12

Between ramps of mandible and sternocleidomastoid

Question 13

What is the route of the parotid duct?

Answer 13

Through buccinator and opens near 2nd molar

Question 14

Branches of VII in parotid gland?

Answer 14

Temporal
Zygomatic
Buccal
Mandibular
Cervical

Question 15

What do the branches of VII in parotid gland supply?

Answer 15

T - forehead
Z - muscles around the eye
B - buccinator and upper lip
M - lower lip
C - platysma

Question 16

What are the branches of external carotid artery in the neck?

Answer 16

Superior thyroid, lingual, facial, ascending pharyngeal, occipital, posterior auricular.
Superficial temporal, maxillary.
Branch of superficial temporal = transverse facial

Question 17

Branches of facial artery?

Answer 17

Submental, superior and inferior labial.

Nasal and angular (terminal)

Question 18

What are the tributaries of the facial vein?

Answer 18

Superior and inferior labial.

Terminal - supratrochlear and supraorbital

Question 19

What are the tributaries of the retromandibular vein?

Answer 19

Anterior divison = maxillary and superficial temporal vein

Posterior division = drains into external jugular and posterior auricular.

Question 20

What forms when the facial and retromandibular veins join?

Answer 20

Common facial vein which drains internal jugular vein