Week 2 - wet room Flashcards
Name some parts of a mandible (try and label)
coronoid process mandibular condyle mental and mandibular foramen mylohyoid line body, symphysis, mental protuberance, angle mental spines inside
How many teeth are deciduous?
20
How many teeth are permanent?
32
What type of joint is the TMJ?
synovial hinge
2 articular processes of the TMJ
condylar process of mandible
temporal bone - mandibular fossa
What movements can occur at the TMJ?
protraction, retraction
elevation, depression
side to side
4 muscles of mastication
masseter, temporalis
medial and lateral pterygoid
What pterygoid plate do the pterygoid muscles attach and what aspect of each?
lateral pterygoid plate
lateral muscle = lateral side, medial muscle is medial side
What pterygoid muscle follows the route of the masseter?
medial pterygoid
What nerve innervates the muscles of mastication?
mandibular division of the trigeminal
What foramen does V3 enter?
foramen ovale
What branch of V3 gives sensation to the jaw?
inferior alveolar nerve
What bones form the roof of the nose?
facial, cribriform plate of the ethmoid, sphenoid, nasal bones
What bones form the floor of the nasal cavity?
palatine process of the maxilla and the perpendicular plate of the palatine bone
What forms the nasal septum?
nasal cartilage, vomer, perpendicular plate of ethmoid
What passes through the cribriform plate?
olfactory nerves
What attaches to the crista gali?
falx cerebri
What kind of epithelium forms respiratory mucosa?
pseudostratified ciliated columnar epithelium
What name is given to the space superior to the superior concha?
sphenoethmoidal recess
What concha are part of the ethmoid bone?
superior and middle
What are paranasal air sinuses?
Air filled extensions of the respiratory part of the nasal cavity
Paranasal air sinuses functions
Reduce the weight of the skull
Vocal resonance
buffer against facial trauma
What sinus opens into sphenoethmoidal recess?
sphenoid sinus
What sinus opens into superior meatus?
posterior ethmoidal air cells
What sinus opens into the middle meatus?
maxillary, frontal, anterior and middle ethmoidal air cells
What sinus opens into the inferior meatus?
nasolacrimal duct