Parotid region, temporal and infratemporal fossae

superior boundary of parotid region

zygomatic arch

inferior boundary of parotid region

angle and inferior border of mandible

anterior border of parotid region

anterior border of masseter muscle

posterior border of parotid region

external ear and anterior border of the SCM

medial border of parotid region

ramus of mandible

parotid gland/duct, parotid plexus of facial nerve (CN VII), retromandibular vein, external carotid artery, masseter muscle are all contents of what?

parotid region

superior and posterior boundary of temporal fossa

superior and inferior temporal lines

anterior border of temporal fossa

frontal and zygomatic bones

inferior border of temporal fossa

infratemporal crest

lateral border of temporal fossa

zygomatic arch and temporal fascia

frontal, parietal, temporal and greater wing of sphenoid bones (bones of pterion) is the border of what in the temporal fossa

floor

upper portion of temporalis muscle is the content of what?

temporal fossa

inferior surface of greater wing of sphenoid bone is what boundary in the infratemporal fossa

superior border

where medial pterygoid muscle attaches to the mandibulae near its angle is what border in the infratemporal fossa

inferior border

posterior aspect of the maxilla is what border in the infratemporal fossa

anterior border

tympanic plate and teh mastoid and styloid processes of temporal bone is what border of the infratemporal fossa

posterior border

ramus of mandible is what border in the infratemporal fossa

lateral border

lateral pterygoid plate of pterygoid process of sphenoid bone is what border of the infratemporal fossa

medial border

inferior part of temporalis muscle, lateral and medial pterygoid muscles, maxillaery artery (pt. 1/2), pterygoid venous plexus, mandibular, inferior alveolar, lingual, buccal and chorda tympani nerves and the otic ganglion is contents of what

infratemporal fossa

temporalis, masseter, medial pterygoid, lateral pterygoid muscles are muscles of

mastication

accessory muscles of mastication

buccinator and suprahyoid and infrahyoid muscles

what collectively includes the temporamandibular joint and muscles of mastification that prodce its movements

the parotid and temporal regions

all of the mastication muscles are innervated by?

mandibular nerve (CN V3)

teamporalis anterior divisions action

elevates mandible

posterior division of temporalis action

retraction of mandible

elevates mandible and protrusion of mandible is the action of what

masseter

insertion: superior head: joint capsule and articular disc of temporomandibular joint (TMJ). inferior head anteromedial aspect of neck of condyloid process of the mandible

lateral pterygoid

protracts mandible and depress the chin, lateral chewing movements

lateral pterygoid

elevates the mandible, grinding movements

medial pterygoid

modified hinge type of synovial joint providing movemnet in 3 planes

TMJ

3 movements of TMJ

gliding, small degree of rotation, flexion

head of mandible, articular eminence of temporal bone, mandibular fossa of temporal bone are articular surfaces involved in the?

TMJ

divides joint cavity into 2 seperate synovial compartments

articular disc of TMJ

the major artery to the deep face

maxillary artery

divided into 3 parts: 1st: mandibular part. 2nd: pterygoid part. 3rd: pterygopalatine part.

maxillary artery

deep auricular, anterior tympanic, middle meningeal, accesory meningeal, inferior alveolar arteries are part of

mandibular part of maxillary artery

massenteric, deep temporal anterior/posterior, pterygoid, buccal arteries are part of

pterygoid part of maxillary artery

posterior superior alveolar, infraorbital, pterygoid canal, pharyngeal, descending palatine greater and lesser, sphenopalatine arteries are part of what

pterygopalatine part of maxillary artery

drains anteriorly to the facial vein via deep facial vein

pterygoid venous plexus

drains posteriorly via maxillary and then retromandibular veins

pterygoid venous plexus

can drain superior through emissary veins to the cavernous sinus

pterygoid venous plexus

auriculotemporal nerve, inferior alveolar neve: nerve to mylohyoid (motor), mental nerve. lingual nerve, buccal nerve are senory branches for

mandibular nerve (CN V3)

deep temporal nerves, masseteric nerve, medial and lateral pterygoid nerves are motor branches for

mandibular nerve (CN V3)

presynaptic parasympathetic fibers from glossopharyngeal nerve (CN IX), postsynaptic parasympathetic fibers via auriculotemporal nerve, parotid gland secretomotor function are part of what

otic ganglion (parasympathetic)

branch of facial nerve (CN VII), carries taste fibers froma nterior 2/3rd tongue, carries presynaptic parasympathetic secretomotor fibers for submandibular and sublingual glands, joins lingual nerve in infratemporal fossa, but has independent function is part of what

chorda tympani

linguial nerve carries what nerve fibers

chorda tympani