Nerve and blood supply of the face Flashcards
What are the layers of the scalp?
Skin with hair follicles Connective tissue with BV Aponeurosis of occipto-frontalis (tendon) Loose sub-aponeurotic connective tissue Pericranium
Where does V1 leave skull?
Superior orbital fissure
Where does V2 leave the skull?
Fo. rotundum
Where does V3 leave the skull?
Fo. ovale
Other than sensory innervation to the face what does V2 and V3 innervate?
Teeth and supporting structures
What nerve supplies motor innervation to muscles of mastication?
V3
Attachments of massater?
Zygomatic arch and outer surface of mandible
Is massater multi-pennate or bi-pennate and why?
Multi-pennate - used for strength
What is the function of massater?
Elevates the mandible
Attachments of temporalis?
Temporal fossa from the temporal line, crest and fascia. Coronoid process and retromandibular fossa
Is temporalis multi-pennate or bi-pennate and why?
Bi-pennate for force and to restrict how much the jaw can move
Where does the parotid gland lie?
Between ramps of mandible and sternocleidomastoid
What is the route of the parotid duct?
Through buccinator and opens near 2nd molar
Branches of VII in parotid gland?
Temporal Zygomatic Buccal Mandibular Cervical
What do the branches of VII in parotid gland supply?
T - forehead Z - muscles around the eye B - buccinator and upper lip M - lower lip C - platysma