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