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Anatomy of Face, Scalp, and Head
A set covering the anatomy of the superficial face, scalp, and superficial structures of the head
116
Anatomy
Professional
12/01/2014

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Term
Five layers of the scalp
Definition
Skin
Connective tissue
Aponeurosis
Loose Connective Tissue
Perichondrium
Term
Name the two bellies of occiptiofrontalis and name their functions
Definition
Occipital: Retracts the scalp

Frontal: Protracts the scalp
Term
What are the muscles of mastication? Which one is the primary muscle?
Definition
Temporalis
Masseter
Lateral Pterogoid
Medial Pterogoid

Main muscle is temporalis
Term
What muscle unlocks the jaw?
Definition
Lateral Pterogoid
Term
Why do head wounds bleed so much?
Definition
Arteries cannot constrict due to their tight attachment to dense connective tissue
Term
Name the arteries of the scalp
Definition
3 Branches of External Carotid
Posterior Auricular
Occipital
Superficial Temporal

2 branches of internal carotid
Supraorbital
Supratrochlear
Term
Where are the veins of the scalp?
Definition
They are found in the diploe area, which is sandwiched between the two hard layers of bones that make up the scalp
Term
name the nerves of the scalp posterior to anterior
Definition
Greater Occipital C2
Lesser Auricular C2-C3
Auriculotemporal CN V3
Zygogomatotemporal CN V2
Supraorbital CN V1
Supratrochlear CN V1

GOt LOst And Zapped SOme Strangers
Term
Relation of Buccinator and Masseter
Definition
Buccinator is deep to masseter
Term
Attachment points of buccinator?
Definition
Alveolar processes to pteromandibular raphe
Term
Something pierces the buccinator. What is it?
Definition
Parotid duct
Term
What muscle surrounds the mouth?
Definition
Orbicularis Oris
Term
What muscles dilate the mouth?
Definition
Dilators include elevators and depressors of the lip
Elevators:
Levator Labii Superioris Alaeque Nasi
Levator labii superioris
Zygomaticus major
Zygomaticus minor

Depressors:
Depresor Anguli oris
mentalis
Depressor labii inferioris
platysma
Term
What muscle surrounds the eye?
Definition
Orbicularis oculi
Term
Which muscle makes you smile?
Definition
Rissorius
Term
Three parts of orbicularis occuli and function?
Definition
Palpebral: Closes eyelids gently
Lacrimal: Pulls eyelid medially
Orbital: closes eyelid tightly
Term
Relationship of lacrimal portion of orbicularis occuli to lacrimal sac?
Definition
lacrimal portion of orbicularis is posterior to lacrimal sac to help aid drainage of tears
Term
Relationship of zygomaticus major to zygomaticus minor?
Definition
MAjor is lAterAl
MInor is medIal
Term
Function of nasalis
Definition
Wiggle nose, flare nostrils
Term
Location of procerus
Definition
Top of nose to forehead
Term
function of depressor septi nasii
Definition
Pulls down on nostril/septum
Term
function of procerus
Definition
Draws skin between eyebrows down
Term
Name the branches of the Trigeminal nerve
Definition
V1: Opthalmic
V2: Maxillary
V3: Mandibular
Term
Which branches of CNV are sensory, which are purely motor, which are mixed?
Definition
V1 and V2: purely sensory
V3: Mixed motor and sensory
Term
Describe the area of skin innervated by CNV1
Definition
Goes roughly from the ear forward to the face. It covers the scalp down to just under the orbit and includes the nose.
Term
Describe the area of skin innervated by CNV2
Definition
It innervates a roughly horseshoe shaped area the goes from the cheek bones to the top of the head (but not the scalp) and goes from under the nose and orbit to the bottom of the top lip and up on the other side
Term
Describe the area of skin innervated by CNV3
Definition
It innervates a roughly horseshoe shaped area that runs from the top of the head (but not the scalp) between the ear on one side and the cheekbones on the other down to the chin. Then it continues around going as high up as the top of the lower lip to innervate the same area on the other side
Term
Which nerve is derived from a POSTERIOR rami of a spinal nerve?
Definition
Greater Occipital. IT innervates the back of the neck up to the top of the head including the posterior third of the scalp.
Term
What area of the face is innervated by the greater auricular nerve?
Definition
Under the ear to the neck up to the line of the jaw
Term
What area of the head is innervated by the lessor occipital nerve?
Definition
Back half of the ear to about 3/4 of the way to the back of the head. Does not innervate any part of the ear, but it trails down into a sliver between the greater occipital and greater auricular
Term
What are the roots of the greater occipital nerve?
Definition
DORSAL Rami of C2.
Term
What are the roots of the lessor occipital nerve?
Definition
Anterior rami of C2, C3
Term
What are the roots of the greater auricular nerve?
Definition
Anterior rami of C2, C3
Term
What part of the face has cutaneous sensory input from the Facial nerve?
Definition
None of it. The sensory part is related to taste
Term
Branches of the Facial Nerve?
Definition
Temporal
Zygomatic
Buccal
Marginal Mandibular
Cervical

To Zanzibar By Motor Car!
Term
Function of the Facial Nerve?
Definition
Supplies the motor fibers for the muscles of facial expression. Also responsible for taste
Term
Muscles innervated by Temporal branch of facial nerve?
Definition
Auricularis Superior
Auricularis Anterior
Frontal portion of Occipitofrontalis
Superior portion of orbiuclaris oculi
Term
Muscles innervated by zygomatic branch of facial nerve?
Definition
Inferior orbicularis oculi
Muscles associated with inferior orbit like levator labii supreriris and zygomaticus
Term
Muscles innervated by buccal branch of facial nerve?
Definition
Upper orbiuclaris oris
Lower fibers of levator labii superioris

*Risorius* (some contention)
Term
Muscles innervated by marginal mandibular branch of facial nerve?
Definition
*Risorius* (some contention)
Muscles of lower lip like depressor labii inferioris
mentalis
Term
Muscles innervated by the cervical branch of facial nerve?
Definition
Platysma
Term
Major arterial supply of face?
Definition
Facial artery (branch of external carotid)
Term
Major branches of facial artery?
Definition
Angular
Lateral nasal
Superior Labial
Inferior labial
Term
Branches of external carotid that supply areas of the face?
Definition
Facial
Superficial temporal
Maxillary (deeper structures)
Posterior Auricular
Occipital
Term
Major branch of superficial temporal artery?
Definition
Transverse facial
Term
Major veinous drainage of the face?
Definition
Everything dumps into the internal jugular vein, in the carotid sheath.
Term
What is the cavernous sinus and where is it?
Definition
It is a venous sinus that surrounds the pituitary
Term
What is the relationship between the face and the cavernous sinus?
Definition
Because there is direct venous communication with the cavernous sinus, facial infections can spread to the brain
Term
What innervates the parotid gland?
Definition
Parasympathetic innervation from CN 9 (glossopharangeal)
Term
What type of gland is the parotid?
Definition
Purely serous (only watery secretions)
Term
Where is the duct for the parotid?
Definition
It pierces the buccinator to dump into the mouth at around the area of the 2nd molar
Term
Which Salivary glands have one duct? Which ones have multiple?
Definition
Parotid and submandibular have only one duct.

Sublingual has many
Term
Where are the ducts for the submandibular gland?
Definition
Base of frenulum of tongue
Term
What is the relationship of the parotid gland to the facial nerve?
Definition
Facial nerve is deep to parotid
Term
Parotid capsule is derived from what layer of fascia?
Definition
Investing layer of deep cervical fascia
Term
Parotid gland is found between which two bony structures?
Definition
Ramus of mandible
Mastoid process
Term
Relationship of parotid gland to external auditory meatus?
Definition
Parotid is anterior and inferior to the external auditory meatus
Term
Where is the base of the parotid gland?
Definition
Zygomatic arch
Term
Where is the apex of the parotic gland?
Definition
angle of mandible
Term
The parotid gland has three structures that run through it. What are they?
Definition
Facial Nerve plexus
Retromandibular vein
External Carotid artery (deep)
Term
Muscles of mastication are all innervated by which nerve?
Definition
CN V3
Term
Most powerful muscle of mastication?
Definition
Temporalis
Term
Second most powerful muscle of mastication?
Definition
Masseter
Term
Function of masseter?
Definition
Elevates the mandible
Term
Relationship of temporalis muscle to zygomatic arch?
Definition
Temporalis runs underneath the zygomatic arch
Term
Relationship of masster to zygomatic arch?
Definition
Masseter attaches to the zygomatic arch
Term
Fibers of lateral pterogoids run in which plane?
Definition
Anterior/Posterior
Term
Fibers of the medial pterogoids run mostly in what plane?
Definition
Mostly inferior/superior
Term
What nerve runs directly under the tongue?
Definition
Hypoglossal
Term
Relationship between Hypgolossal nerve and submandibular gland?
Definition
Hypoglossal nerve is medial to the submandibular glands
Term
Relationship of submandibular gland to hypgoglossal and lingual nerves?
Definition
Lingual is lateral to Submandibular, which is lateral to hypoglossal neve
Term
Lingual nerve is a branch of what nerve?
Definition
Trigeminal
Term
What will you find directly under the mucosa of the tongue?
Definition
Lingual nerve with submandibular ganglion)
Lingual artery (branch of external carotid)
Sublingual and deep lingual arteries (branches of lingual artery)
Hypoglossal nerve
Branches of lingual vein
Term
Lymphatic drainage of tongue?
Definition
Submental lymph nodes
Term
Lymphatic drainage of eye?
Definition
Parotid lymph nodes
Term
Relationship of parotid gland to parotid duct?
Definition
Duct is anterior to parotid gland
Term
What nerve runs between the two lobes of the parotid gland?
Definition
Facial nerve
Term
Which salivary glands are serous?
Which ones are mucosal?
Definition
All secrete serous fluid
Submandibular and submental glands are mixed, so they also secrete mucous
Term
Relationship of genihyoid to myohyoid?
Definition
Geniohyod is superior to myohyoid
Term
Relationship to genioglossus to genihyoid?
Definition
Geniglossus is superior to genihyoid

Trick to remembering:
Genies can float, so they go up. Tongue is superior to hyoid.
Term
Relationship of myoidhyoid to genioglossus?
Definition
Myohyoid is inferior to genioglossus
Term
What is the purpose of foramen cecum?
Definition
Thyroid descends through it. Usually closes off during development
Term
Superior longitudinal Muscle's fibers run in which direction?
Definition
anterior to posterior
Term
Name the four extrinsic muscles of the tongue?
Definition
Genioglossus
Hyoglossus
Styloglossus
Palatoglassus
Term
Origin of genioglossus?
Definition
Superior mental tubercle
Term
Insertion of genioglossus
Definition
Body of hyoid and tongue
Term
Action of genioglossus
Definition
Protrudes the tongue and depresses the center
Term
Innervation of genioglossus?
Definition
hypoglossal nerve
Term
Origin of hyoglossus?
Definition
Greater horn and body of hyoid
Term
Insertion of hyoglossus?
Definition
Lateral surface of tongue
Term
Action of hyoglossus?
Definition
Depression of lateral surface
Term
Innervation of hyoglossus?
Definition
Hypoglossal nerve
Term
Origin of styloglossus
Definition
Styloid process
Term
Relationship of styloid process to mastoid process?
Definition
Styloid process is anterior to mastoid process
Term
Insertion of styloglossus?
Definition
Lateral surface of tongue
Term
Action of styloglossus?
Definition
Elevate and retract tongue
Term
Innervation of styloglossus?
Definition
Hypoglossal nerve
Term
Origin of Palatoglossus?
Definition
Inferior palatal aponeurosis
Term
Insertion of palatoglossus?
Definition
Lateral surface of tongue
Term
Action of palatoglossus?
Definition
Depresses the palate and elevates the posterior portion of tongue for swallowing
Term
Innervation of palatoglossus?
Definition
Vagus nerve
Term
Which sinus is the hardest to drain and why?
Definition
Maxilary sinus. It's ostia for drainage is relatively high up the wall. You must lay on your side to drain it.
Term
What is the space under the nasal concha called?
Definition
Meatus
Term
Which sinus does not drain into nasal cavity?
Definition
Mastoid sinus
Term
Name the paranasal sinuses
Definition
Frontal
Ethmoidal
Sphenoidal
Maxillary
Term
Where does the frontal sinus drain?
Definition
Drains through ethmoidal infundibulum via semilunar hiatus
Term
Where is the frontal sinus?
Definition
In frontal bone, just posterior to supercillary arches (eye brow ridges)
Term
How many sinuses in the ethmoid bone?
Definition
3
Term
Describe the drainage of the ethmoid sinuses
Definition
Anterior sinus drains to middle meatus (through semilunar hiatus)

Middle sinus drains to middle meatus (through semilunar hiatus)

Posterior sinus drains to superior meatus
Term
Which sinuses drain to middle meatus?
Definition
Frontal,
Anterior ethmoidal
Middle ethmoidal
Maxillary sinus
Term
Drainage of sphenoidal sinus?
Definition
drains to sphenoethmoidal recess behind superior concha
Term
Structure responsible for increasing turbulence in the nose?
Definition
Concha
Term
Relationship of lingual artery to lingual vein?
Definition
Artery is superior to vein
Term
Relationship of lingual vein to hypoglossal nerve?
Definition
lingual vein is superior to hypoglossal nerve
Term
Drainage of maxillary sinus?
Definition
Through maxillary ostium to middle meatus (through semilunar hiatus)
Term
Large vein under tongue responsible for sublingual administration of drugs?
Definition
Vena comitas
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