Nerve and blood supply of the face Flashcards

1
Q

What are the layers of the scalp?

A
Skin with hair follicles
Connective tissue with BV
Aponeurosis of occipto-frontalis (tendon)
Loose sub-aponeurotic connective tissue
Pericranium
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2
Q

Where does V1 leave skull?

A

Superior orbital fissure

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3
Q

Where does V2 leave the skull?

A

Fo. rotundum

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4
Q

Where does V3 leave the skull?

A

Fo. ovale

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5
Q

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

A

Teeth and supporting structures

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6
Q

What nerve supplies motor innervation to muscles of mastication?

A

V3

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7
Q

Attachments of massater?

A

Zygomatic arch and outer surface of mandible

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8
Q

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

A

Multi-pennate - used for strength

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9
Q

What is the function of massater?

A

Elevates the mandible

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10
Q

Attachments of temporalis?

A

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

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11
Q

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

A

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

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12
Q

Where does the parotid gland lie?

A

Between ramps of mandible and sternocleidomastoid

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13
Q

What is the route of the parotid duct?

A

Through buccinator and opens near 2nd molar

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14
Q

Branches of VII in parotid gland?

A
Temporal
Zygomatic
Buccal
Mandibular
Cervical
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15
Q

What do the branches of VII in parotid gland supply?

A
T - forehead
Z - muscles around the eye
B - buccinator and upper lip
M - lower lip
C - platysma
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16
Q

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

A

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

17
Q

Branches of facial artery?

A

Submental, superior and inferior labial.

Nasal and angular (terminal)

18
Q

What are the tributaries of the facial vein?

A

Superior and inferior labial.

Terminal - supratrochlear and supraorbital

19
Q

What are the tributaries of the retromandibular vein?

A

Anterior divison = maxillary and superficial temporal vein

Posterior division = drains into external jugular and posterior auricular.

20
Q

What forms when the facial and retromandibular veins join?

A

Common facial vein which drains internal jugular vein