Regional Anatomy 2 Final Exam Review LCCW

What kind of joint is the TMJ?

Modified Hinge-Type Synovial Joint

What is the aka for the intrinsic lateral ligament?

Tempromandibular ligament

Tempromandibular Ligament

Intrinsic; strengthens joint laterally

Sphenomandibular ligament

Extrinsic; connects Jaw to sphenoid

Stylomandibular ligament

Thickening of the parotid gland; doesn't contribute to strength

Which ligament is a thickening of the parotid gland?

Stylomandibular ligament

Which TMJ muscle is attached to the articular "disc"?

Lateral pterygoid

Sensory innervation of the TMJ

V3, auriculotemporal and masseteric branch

Motor innervation of the TMJ

V3, mandibular

Ganglion associated with V3 Mandibular branch

Otic ganglion

Ganglion associated with V1 Opthalmic branch

Ciliary ganglion

Ganglion associated with V2 maxillary branch

Pterygopalatine ganglion

Which muscle retracts the mandible?

Temporalis

Which pterygoid produces contralateral large chewing actions

Lateral pterygoid

Which pterygoid produces unilateral small chewing actions

Medial pterygoid

This facial muscle pulls the eyebrow down and flares nostrils

Procerus

This muscle contracts to prevent high sun glare

Corrugator supercillii

Antagonist to orbicularis oculi muscles

Levator palpebrae superioris

Elvis snarl muscle that dialates nostrils

Levator labii superioris alaeque nasi

Otto's muscle

Levator labii superioris alaeque nasi

Deepest muscle that raises lip

Levator anguli oris

Dimple muscles

Zygomatic major

Muscle with 4 distinct parts

Orbicularis oris

Frowning muscle

Depressor anguli oris

Muscle connected to the superior constrictor muscle attached to skeletal muscle

Buccinator

Chin wrinkling and pouting muscle

Mentalis

Another name for nasal conchae

Turbinate

Olfaction conchae

Superior nasal conchae

Paired opening between nasal cavity and nasopharynx

Choana

Part between nose and top of lip

Fulcrum

Wings of the nose

Ala

Separates the mouth and nasal cavity

Palatine bone

Directly anterior to palatine tonsil

Palatoglossal arch

Directly posterior to palatine tonsile

Palatopharyngeal arch

Small fold of mucous membrane underneath middle of tongue

Lingual frenulum

Tongue muscle is called

Genioglossal

Moves tongue side to side

Hyoglossal

How many tonsils make up Waldeyers ring?

7

What does the tonsilar crypt do?

Moves surface area for absorption

Which nerves form the tonsilar nerve?

CN IX & X

What are adenoids called when irritated and enlarged?

Pharyngeal tonsil

Tonsils posterior to auditory tube

Tubal tonsils

These have glands that are extensions of the tonsils

Palatine glands

What are faucial tonsils?

Palatine tonsils

Tonsilar tissue characterized by lymphatic organs

Lingual tonsils

What muscle is pierced by the parotid duct?

Buccinator

Which salivary gland empties lateral to the 2nd maxillary molars?

Parotid gland

Which salivary gland sprays when we yawn?

Submandibular gland

What does the tensor veli palatine do?

Tenses soft palate

What does levator veli palatine do?

Lifts palate

How many parathyroid glands?

4 oval glands

Where are the parathyroid glands located?

Posterior to the fibrous capsule on the thyroid

How many cartilages are in the oropharynx?

9

What are the 3 paired cartilages in the oropharynx?

Arytenoid, corniculate and cuneiform

What are the 3 single cartilages in the oropharynx?

Thyroid, cricoid and epiglottic

Innervates the Hyoglossal muscle

Hypoglossal nerve

What 3 muscles are innervated by the Ansa Cervicalis?

Sternohyoid, sternothyroid and omohyoid

What are the two superficial hyoid muscles?

Sternohyoid and omohyoid

What joint rotates and glides thyroid cartilage to change the length of the vocal cords?

Cricothyroid

This muscle spans the entire trachea and is involuntary

Trachealis

This structure is anterior to C3-6 vertebral bodies

Laryngopharynx

This cartilage goes all the way around and is completely closed

Cricoid cartilage

Which 3 cartilages help seal off airways?

Arytenoid, cuneiform and corniculate

Another name for vestibular fold

Vocal fold

Another name for vocal folds

Vocal cords, true and false folds

3 parts of the arytenoid cartilage

Apex, muscular process and vocal process

Vocal apparatus

Larynx

Opening of the larynx

Rima glottidis

3 articular surfaces of the TMJ

1. Articular tubercle of the temporal bone

2. Mandibular fossa of the temporal bone

3. Head of the mandible

Only muscle of mastication that opens the jaw

Lateral pterygoid

Which muscle protracts the mandible and depresses the chin?

Lateral pterygoid

Which muscle elevates the mandible and protrudes the chin?

Medial pterygoid

These 3 muscles close the jaw

1. Temporalis

2. Masseter

3. Medial pterygoids

These 4 muscles help in opening the jaw

1. Lateral pterygoids

2. Platysma

3. Mentalis

4. Depressor labii inferioris

What nerves go through the parotid gland?

CN VII and 5 terminal branches

Where is the parotid gland?

Inferior to the zygomatic arch

Located in the infratemporal fossa

Inferior Temporalis, lateral pterygoids and medial pterygoids

Where are the maxillary artery and pterygoid venous plexus located?

Infratemporal fossa

Which novacane nerve is in the infratemporal fossa?

Inferior alveolar nerve

Nerves in the infratemporal fossa

1. Mandibular nerve

2. Inferior alveolar nerve

3. Lingual nerve

4. Buccal nerve

5. Chordae tempani nerves

Two names for the external ear

Pinna and auricle

What is the concave impression of the malleus called?

Umbo

Sounds is transmitted through the ear by what method?

Pneumatic amplification

Sensory innervation of the frontalis muscle

CN V1

Motor innervation to orbicularis oculi

CN VII - temporal and zygomatic branches

Only muscle that closes the eye

Orbicularis oculi

The zygomatic and buccal branches of CN VII innervated which muscle?

Levator labii superioris alaeque nasi

What innervates the levator labii superioris?

CN V2 sensory

The zygomatic and buccal branches of CN VII MOTOR innervates which muscle?

Zygomatic minor

Which nerves innervate the Mentalis?

Motor - Mandibular VII

Sensory - V3

What sensory innervates the platysma?

1. Cervical branch of VII

2. Anterior rami c3-4

What is the arterial supply of the mimetic muscles?

External carotid artery

Which veins supply the venous return of the mimetic muscles?

External and anterior jugular veins

Which muscle ABducts the eyeball?

Lateral rectus

Medially rotates

Depresses

ABducts the eyeball

Superior oblique

Medially rotates

Elevates

ADDucts the eyeball

Superior rectus

Medially rotates

Depresses

ADDucts the eyeball

Inferior rectus

Laterally rotates

Elevates

ABducts eyeball

Inferior oblique

Which 4 muscles originate in the tendinous ring of Zinn?

1. Lateral rectus

2. Superior rectus

3. Medial rectus

4. Inferior rectus

This muscle originates on the sphenoid bone

Superior oblique