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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