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Nasal Cavity
Medical School Gross Anatomy
17
Anatomy
Graduate
09/28/2011

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Cards

Term
What bone forms the lateral wall of the nose?
Definition
Ethmoid bone
Term
What structures form the nasal septum?
Definition
Septal cartilage, Ethmoid bone, and Vomer
Term
What are the concha? Where are they located?
Definition
Lateral wall of nasal septum. House the meatus in which the sinuses drain
Term
What is the middle meatus composed of?
Definition
Bulge structure called the ethmoid bulla and a trough called hiatus semilunaris
Term
How many sets of ehtmoid sinuses?
Definition
3
Anterior
middle posterior
Term
What is the sensory enervation to the sinuses?
Definition
Opthalmic, except for the Maxillary sinue (Maxillary)
Term
What are the sinuses of the nose?
Definition
Ethmoid,
Sphenoid
Frontal
Maxillary
Term
Where does the sphenoid sinus drain?
Definition
Sphenoethmoidal recess (SER)
Term
What drains into the superior meatus?
Definition
Posterior Ethmoid air cells
Term
What drains into the middle meatus?
Definition
Frontal sinus
Anterior ethmoid air cells
middle ethmoid air cells
maxillary sinus
Term
What drains into the inferior meatus?
Definition
Nasolacrimal duct
Term
What is unique about drainage from the maxillary sinus?
Definition
Has to fill up to empty since it drains up
Term
What are the major contents of the pterygopalatine fossa?
Definition
Maxillary n
Palatine n
Nasal n
Infraorbital n
Nerve of Pterygoid canal
Pterygopalatine Ganglion (suspended by palatine nerves)
Sphenopalatine
Term
What is the nerve of the Pterygoid canal?
Definition
combination of the greater petrosal nerve as well as sympathetics from the internal carotid nerve (the deep petrosal nerve)
Term
What provides the major vascularization of the nose?
Definition
Sphenopalatine artery
Term
What does the Greater petrosal nerve enervate?
Definition
Mucous membranes enervated by the maxillary nerve (nose, mouth) as well as the lacrimal gland of the eye
Term
What is the path of the greater petrosal nerve as it enervates the lacrimal gland?
Definition
Nerve of pterygoid canal follow maxillary enervation up the zygomatic branch. From the zygomatic branch is a communicating branch to the lacrimal nerve
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