Head Flashcards
What is the anterior border of the temporal fossa?
frontal and zygomatic bones
What is the posterior and superior borders of the temporal fossa?
superior and inferior temporal lines
What is the lateral border of the temporal fossa?
zygomatic arch
What is the inferior border of the temporal fossa?
infratemporal crest
What bones are part of the floor of the temporal fossa?
frontal, parietal, temporal, and greater wing of the sphenoid
What is the roof of the temporal fossa?
temporalis fascia and temporalis muscle
What is the lateral border of the infratemporal fossa?
ramus of the mandible
What is the medial border of the infratemporal fossa?
lateral pterygoid plate
What is the anterior border of the infratemporal fossa?
posterior aspect of the maxilla
What is the posterior border of the infratemporal fossa?
tympanic plate and the mastoid and styloid processes of the temporal bone
What is the superior border of the infratemporal fossa?
inferior surface of the greater wing of the sphenoid bone
What is the inferior border of the infratemporal fossa?
where the medial pterygoid muscle attaches to the mandible near its angle
What are the contents of the infratemporal fossa?
inferior part of temporalis muscle, lateral and medial pterygoid muscles, maxillary artery, pterygoid venous plexus; mandibular, inferior aveolar, lingual, buccal, and chorda tymapni nerves and the otic ganglia
What is the major artery to the deep face?
maxillary
The lingual nerve is sensory to what structures?
anterior 2/3 of the tongue, the floor of the mouth, and the lingual gingiva
What is the classification of the TMJ?
modified hinge synovial
What are the articulating structures of the TMJ?
head of the mandible, articular tubercle of the temporal bone, and the mandibular fossa
What divides the temporomandibular joint cavity into separate compartments?
articular disc
What is the function of the sphenomandibular ligament?
primary passive support and “swing rope” of mandible
What are the movements at the TMJ?
elevation, depression, protrusion, retrusion, and lateral movements of the mandible
Where is the larynx located?
anterior neck at C3-C6 level
What is the vital function of the larynx?
guards the air passages, especially during swallowing
What are the single cartilages of the laryngeal skeleton?
thyroid, cricoid, epiglottic
What are the paired cartilages of the laryngeal skeleton?
arytenoid, corniculate, and cuneiform cartilages
