Term
| functions of nasal cavity (3) |
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Definition
respiration: air is warmed, humidified, & filtered
olfaction: site of smell
phonation: amplifies & alters sound |
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Term
| 3 bony prominences occupying lateral nasal wall; assist in channeling air flow |
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Definition
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Term
| space beneath turbinate; these are named according to their affiliated turbinate |
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Definition
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Term
| independent bone in lateral nasal wall that is covered with thick mucous membrane |
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Definition
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Term
| lacrimal duct empties into this meatus |
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Definition
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Term
| turbinates in lateral nasal wall that are part of ethmoid bone (2) |
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Definition
middle turbinate
superior turbinate |
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Term
frontal & ethmoid sinuses drain to this meatus;
meatus that houses the following landmarks:
unicinate process, ethmoid bulla, semilunar hiatus |
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Definition
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Term
| rounded projection of lateral wall of middle turbinate/meatus; ethmoid air cells are found just laterally to this |
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Definition
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Term
| space between bulla and uncinate process |
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Definition
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Term
| turbinate in lateral nasal wall that includes olfactory epithelium (smell function from CN I) |
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Definition
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Term
| components of nasal septum (3) |
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Definition
perpendicular plate of ethmoid bone
vomer
septal cartilage (quadrangular cartilage) |
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Term
| N. branches off opthalmic N. (CN V1) that supply superior part of lateral & medial walls of nasal cavity |
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Definition
| anterior & posterior ethmoidal N.s |
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Term
| N. which innervates skin at tip of nose & some of nasal cavity |
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Definition
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Term
| branches of this N. exit skull through foramen rotundum; branches ultimately provide sensory innervation to inferior part of lateral walls of nasal cavity |
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Definition
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Term
| branch of V2 that courses down nasal septum on vomer bone |
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Definition
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Term
| N. supplying nasal cavity with smell special sense |
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Definition
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Term
| parasympathetic innervation to nasal cavity comes from this CN |
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Definition
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Term
| parasympathetic postganglionic cell bodies in this ganglion located in pterygopalatine fossa give rise to postganglionic fibers |
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Definition
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Term
| parasympathetic postganglionic fibers from pterygopalatine ganglion join branches of V2 that enter nasal cavity by passing through this foramen |
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Definition
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Term
| target of parasympathetic innervation (from CN VII) in nasal cavity |
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Definition
| mucosal lining (for mucosal secretion) |
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Term
| target of sympathetic innervation (from superior cervical ganglion) in nasal cavity |
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Definition
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Term
| sympathetic postganglionic cell bodies in superior cervical ganglion of neck give rise to postganglionic fibers which travel to this fossa via *blood vessels |
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Definition
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Term
| sympathetic postganlionic fibers join branches of this N. & enter the nasal cavity by passing through sphenopalatine foramen to supply blood vessels |
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Definition
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Term
| overall vascular supply of nasal cavity arises from these structures |
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Definition
| external & internal carotid A.s |
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Term
| internal carotid A.'s supply to nasal cavity occurs via these A.s (2) |
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Definition
| anterior & posterior ethmoidal A.s |
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Term
| anterior ethmoid A. continues anteriorly from nasal cavity to supply this region |
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Definition
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Term
| external carotid A.'s supply to nasal cavity occurs via this branch of maxillary A.; A. passes through sphenopalatine foramen (located on lateral nasal wall) |
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Definition
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Term
| A. supplying nasal septum; branch of sphenopalatine A. |
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Definition
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Term
| V.s draining nasal cavity (2) |
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Definition
| ophthalmic V.s (via anterior & posterior ethmoidal V.s to orbit) sphenopalatine V. (to pterygoid plexus then on to maxillary V.) |
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Term
| sinus drained by frontonasal duct to middle meatus |
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Definition
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Term
| N. & vessels supplying frontal sinus |
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Definition
| supraorbital N. & vessels |
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Term
| ethmoidal air cells in around this sinus drain primarily though ostia under the middle turbinate |
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Definition
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Term
| sinuses that drain through ostia in sphenoethmoid recess (above superior turbinate) |
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Definition
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Term
| N. & vessels supplying ethmoid sinus |
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Definition
| anterior & posterior ethmoidal N. & vessels |
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Term
| structures found superior to sphenoid sinus (2) |
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Definition
pituitary gland
middle cranial fossa |
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Term
| structures found lateral to sphenoid sinus (2) |
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Definition
cavernous sinus
interior carotid A. |
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Term
| N. & vessels supplying sphenoid sinus |
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Definition
| posterior ethmoidal N. & vessels |
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Term
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Definition
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Term
| maxillary sinus drains into this region |
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Definition
| middle meatus under middle turbinate |
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Term
| surface found anterior to maxillary sinus |
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Definition
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Term
| structure found superior to maxillary sinus |
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Definition
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Term
| structure found medial to maxillary sinus |
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Definition
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Term
| structures found inferior to maxillary sinus (2) |
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Definition
alveolar processes (teeth)
oral cavity |
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Term
| N. & vessels supplying maxillary sinus |
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Definition
| superior alveolar N.s & vessels (posterior superior alveolar, middle superior alveolar, & anterior superior alveolar N.s and vessels) |
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