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Superficial Face
N/A
26
Anatomy
Professional
07/23/2012

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Cards

Term
What layer of tissue do the muscles of facial expression lie within and what do these muscles insert into?
Definition
-These muscles lie within the Subcutaneous tissue
-They insert into the skin of the face
Term
Which muscle joins the two muscles of the scalp?
Definition
The galea aponeurotica joins the two muscles of the scalp: the frontalis and the occipitalis
Term
Which are the lip-raiser muscles?
Definition
Levator labii superioris alaeque nasi
1. Levator labii superioris
2. Zygomaticus major and minor
3. Risorius
4. Levator anguli oris
Term
Which muscle of the mouth is the sphincter muscle?
Definition
Orbicularis oris
Term
Which two muscles of the face are lip depressors?
Definition
1. Depressor anguli oris
2. Depressor labii inferioris
Term
What are the attachments of the buccinator and what is its function?
Definition
Attachments:
*Posterior- pterygomandibular raphe'
*Anterior- mouth and orbicularis oris
Function:
*To press mucosa of cheek against teeth, moves food out of cheek and into the mouth to chew
(Note: this is NOT a muscle of mastication)
Term
What are the 3 muscles of the nose?
Definition
Procerus, nasalis, depressor septi
Term
What are the 2 muscles surrounding the eye?
Definition
1. corrugator supercilii
2. Orbicularis oculi
-palpebral portion
-orbital portion
Term
Which muscles does the Facial Nerve (CN VII) innervate?
Definition
-all muscles of facial expression
-stylohyoid and posterior belly of digastric muscles
-forms plexus with 5 branches (temporal, zygomatic, buccal, mandibular, cervical)
Term
What is Bell's Palsy a disruption of what?
Definition
the facial nerve (CN VII)
Term
All sensory innervation to the facial region is provided by branches of the __________ except which area?
Definition
All sensory innervation to the facial region is provided by branches of the *Trigeminal Nerve (CN V)* except the area over the angle of the mandible.
Term
What are the cervical branches of the facial artery (4 of them)?
Definition
1. ascending palatine
2. Tonsilar
3. Glandular
4. Submental
Term
What are the branches of the facial artery (4)?
Definition
1. inferior labial
2. superior labial
3. lateral nasal
4. angular
Term
What does the facial vein drain into?
Definition
The facial vein drains into the jugular vein
Term
What does the angular vein have connections to?
Definition
Angular vein has connections to opthalmic veins of orbit and thru these veins connect to the dural (venous) sinuses of the brain.
-Danger area!-since infection can spread from face to cranial cavity
Term
Branches of the CN VII are given off within what?
Definition
The Parotid Gland
Term
Where does the Parotid duct (Stenson's Duct) penetrate?
Definition
The Parotid duct penetrates the buccinator at the level of the maxillary second molar
Term
What are the 5 layers of the scalp?
Definition
1. Skin: glands
2. Connective tissue: fat, hair follices, vv., nn.
3. Aponeurosis: galea aponeurotica
4. Loose areolar tissue: potential space
5. Periosteum: pericranium
Term
Which cranial nerves provide sensory innervation to the scalp anteriorly and posteriorly?
Definition
*Anteriorly

CN V1: supratrochlear and supraorbital nn.
CN V2: zygomaticotemporal n.
CN V3: auriculotemporal n.

*Posteriorly
Lesser occipital n.
Greater occipital n.
Term
What are the ways of blood supply to the scalp?
Definition
1. From the external carotid artery
-Superficial temporal a., posterior auricular a., occipital a.
2. From internal carotid artery
-Supratrochlear a., Supraorbital a.
3. Venous drainage
-into external or internal jugular vv.
Term
Which facial muscles are the "smiling" muscles?
Definition
Zygomaticus major and minor
Term
Which muscle allows you to sneer?
Definition
Levator anguli oris
Term
Which muscle allows you to grin?
Definition
Risorius
Term
What does the Procerus do?
Definition
*It contracts and pulls the skin of the nose up. You get horizontal wrinkles in your skin
Term
What does contracting the corrugator supercilii cause?
Definition
*vertical wrinkles in between your eyebrows on your forehead. (looking angry sort of)
Term
What is the pathway of the facial nerve into the face?
Definition
It exits the skull via the stylomastoid foramen, then it goes through the parotid gland to get to the face
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