Pin test #2 (jaw muscles, TMj, and ITF)

masseter, temporalis, lateral pterygoid, medial pterygoid

muscles of mastication

temporal fossa

orgin of temporalis

coronoid process

insertion of temporalis

zygomatic bone

masseter orgin

angle of mandible

masseter insertion

medial surface of lateral pteygoid plate

orgin of medial pterygoid muscle

mandibular angle on medial side

insertion of medial pterygoid muscle

lateral side of lateral pterygoid plate

orgin of inferior head of lateral pterygoid muscle

roof of infratemporal fossa/greater wing of sphenoid

orgin of superior head of lateral pterygoid muscle

condyle and TMJ capsule

insertion of lateral pterygoid muscle

mylohyoid line of mandible

orgin of mylohyoid

digastric fossa

orgin of anterior belly of digastric

mastoid notch

orgin of posterior digastric muscle

mylohyoid nerve (CN V3)

innervation of anterior belly of digastric

mylohyoid nerve (CN V3)

innervation of mylohyoid

C1 (via CNXII)

innervation of geniohyoid

CN VII

innervation of posterior belly of digastric

CN VII

innervation of stylohyoid

CN XII (hypoglossal)

innervation of hyoglossus, genioglossus, and styloglossus

CN X (vagus)

innervation of palatoglossus

CN X

what nerve suppliees taste and somatic sensation to the epiglottis

CN IX

what nerve supplies taste and somatic sensation to posterior 1/3 of tongue

CN VII (chorda tympani)

what nerve provides taste to anterior 2/3 of tongue

lingual nerve (CN V3)

what nerve provides somatic sensation to anterior 2/3 of tongue

inferior

in which layer of thee TMJ does rotation occur

superior

in which layer of the TMJ does translation occur

mastoid notch, posterior belly of digastric

what is this structure and what attaches here

stylomastoid foramen, CN VII (facial)

what is this structure and what goes through it?

temporal fossa

origin of temporalis

zygomatic arch

ramus of mandible

angle of mandible, masseter (lateral) and medial pterygoid (medial)

what is this structure and what attaches here

condyle

coronoid process, temporalis

what is this structure, what attaches here

body of mandible

mandibular foramen, inferior alveolar artery and nerve

what is this structure and what goes thrrrough it

mylohyoid groove, mylohyoid nerve

what is this indentation and what runs along it

sublingual fossa, sublingual gland

what is this depression, what sits here

submandibular fossa, submandibular gland

what is this deepression, what lies here

digastric fossa, anterior belly of digastric

what is this structure, what attaches here

Buccinator

Used to suck in your cheeks

anterior belly of digastric

posterior belly of digastric

Mylohyoid

stylohyoid

masseter, elevates mandible

name structure and function

temporalis, elevates and retrudes mandible

name structure and function

infratemporal crest

lateral pterygoid plate, lateral pterygoid (lateral side)and medial pterygoid (medial side)

what is this structure and what muscles orgin is here

medial pterygoid plate

maxillary tuberosity

pterygomaxillary fissure, maxillary artery

what is this structure and what passes through it

inferior orbital fissure

foramen ovale, CN V3

what is this strructure and what goes through it

foramen spinosum, middle meningeal artery

what is this structure and what goes thrrough it

articular tubercle, stop mandible for being dislocated

what is this structure and function

mandibular fossa

Pterygoid fovea, lateral pterygoid

what is this and what muscle inserts here

Lingula, sphenomandibular ligament

what is this stucture and what attaches here

sphenomandibular ligament

sphenoid to ramus of mandible on medial side

TMJ capsule

completely encloses the TMJ

TMJ ligament

prevents excessive retraction of the mandible

intra-articular disc

(2)

medial pterygoid, elevates and protrudes mandible

name structure and function

lateral pterygoid (upper and lower head), protrusion

name structure and function

mandibular nerve

what nerve supplies seensation to this portion of the face

lingual nerve, sensory anterior 2/3 of tongue

structure and function

inferior alveolar nerve, sensory from mandibular teeth

what is the structure and function

mylohyoid nerve

supplies the mylohyoid and anterior belly of digastric muscles

auriculotemporal nerve, sensory from TMJ and carries postganglionic parasympathetic fibers from CN IX to parotid gland

what is the stucture and function

buccal nerve, sensory from buccal mucosa

structure and function

lesser petrosal (IX), otic ganglion, auriculotemporal nerve (V3)

what is the parasympathetic pathway for parotid gland

chorda tympani (VII)

taste to anterior 2/3 of tongue and innervation of sublingual and submandibular glands

maxillary artery

middle meningeal artery

inferior alveolar artery

masseteric artery

buccal artery

supplies buccinator muscle

posterior superior alveolar artery

supplies the maxillary sinus, maxillary molar teeth, and surrounding gingival with blood.

pterygoid venous plexus

genial tubercles, genioglossus and geniohyoid

what is this structure and what attaches here

hyoglossus muscle

intermediate tendon

geniohyoid muscle

Deep to the mylohyoid muscle

genioglossus

styloglossus

sulcus terminalis

foramen cecum

vallate papillae

valleculae

space between base of tongue and epiglottis

submandibular gland, submandibular lymph node, facial artery and vein

what is in the submandibular triangle

submental lymph nodes

what is contained in the submental triangle

elevate hyoid/swallowing and depress mandible/jaw opening

function of the suprahyoid muscles

buccal, deep temporal, inferior alveolar, middle meningeal

branches of thee maxillary artery in the infratemporal fossa

mandibular notch

mylohyoid line

Inferior alveolar,lingual, buccal, auriculotemporal

branches of mandibular nerve (CN V3)

submandibular ganglion

A collection of nerve cell bodies located inferior to the submandibular gland, involved in parasympathetic innervation for salivation.