Exam 1 Flashcards
(212 cards)
Nasal cavity location
Space between the nares (nostrils)
Nasal cavity anterior border
Nostrils (nares) + vestibule
Posterior border of nasal cavity
Choanae + nasopharynx
Nasal cavity inferior border
Oral cavity, hard + soft palate
Nasal cavity superior border
Cribiform plate of ethmoid bone
What separates the nasal cavity?
Vomer and perpendicular plate of ethmoid
Nasal cavity function
Warms, moistens + cleanses air. Olfaction
Anterior border of nasopharynx
Choanae
Nasal concha
3 major projections off the lateral wall of Choanae
What drains into the superior nasal meatus
Posterior ethmoid air cells (sinus) + sphenoid sinus
What drains into the middle nasal meatus
Frontal sinus, anterior + middle ethmoid air cells (sinus), maxillary sinus
What drains into the inferior nasal meatus
Nasolacrimal duct
Inferior 2/3 of mucosa
respiratory. Ciliated cells + goblet cells
Superior or posterior 1/3 of mucosa
Olfactory. Smell receptors
Posterior-inferior portion of nasal cavity Innervation
CN V1
Anterior-superior portion of nasal cavity Innervation
CN V1
External nose portion of nasal cavity Innervation
CN V1
Alar nasal portion of nasal cavity Innervation
CN V2
Arterial supply to nasal cavity
Sphenopalatine artery + anterior ethmoidal artery
Oral cavity roof
Hard + soft palates
Oral cavity floor
Tongue + sublingual mucosa
Oral cavity anterior + lateral border
Lips, cheeks, teeth
Oral cavity posterior border
Faucial isthmus
Vestibule part of oral cavity
Between lips/cheeks + gums