W22-L7: Nasal Cavity and Nasopharynx Flashcards
What bones make up the medial wall of the nasal cavity?
Ethmoid bone, maxilla, frontal bone, sphenoid bone, palantine and vomer
What bones make up the lateral wall of the nasal cavity?
Ethmoid, sphenoid, maxilla, frontal, palatine
What are features of the medial wall of the nose?
Highly vascular mucous membrane, olfactory area, nasal septum
What are features of the lateral wall of the nose?
Turbinate bones, superior, middle and inferior concha and the superior, middle and inferior meatus
What are the para-nasal sinuses?
Ethmoid, frontal, sphenoid and maxillary sinuses
Where does the maxilla sinus open into?
Opening is in the superior part of the sinus on the medial wall, opens into the lateral wall of the nasal cavity
Where does the nasolacrimal duct empty into the nasal cavity?
Beneath the inferior concha
What supplies the superior quadrant of the nasal cavity?
Anterior and posterior ethmoidal arteries
What supplies the lateral quadrant of the nasal cavity?
Lateral nasal branches of the facial artery
What supplies the medial quadrant of the nasal cavity?
sphenopalatine artery
What supplies the inferior quadrant of the nasal cavity?
greater palatine artery
What is the nerve supply to the nasal cavity?
V1 to the top half, V2 to the bottom
What is the median raphe?
Where the superior, middle and inferior constrictors meet their counterpart in the midline
What are the boundaries of the nasopharynx?
Superior is sphenoid, posterior is superior constrictor, inferior is soft palate
Where are the pharyngeal tonsils (adenoids) and what are they?
On the roof of the pharynx just deep to the mucosa, collection of lymphoid tissue
