Term
| Opens into middle nasal meatus? |
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Definition
In semilunar hiatus:
-Frontal sinus
-Maxillary sinus
-Anterior ethmoidal cells
-Middle ethmoidal cells (from ethmoidal bulla) |
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Term
| Boundaries of infratemporal fossa |
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Definition
Ant - Post. surface of maxilla
Post - tympanic part of temporal, mastoid process, & styloid process
Med - Lat. pterygoid plate
Lat - Temporalis m. and mandible
Sup - Infratemporal surface of greater wing of sphenoid
Inf - Medial pterygoid m. |
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Term
| Parotid duct opens by what tooth? |
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Definition
| Upper second molar tooth. |
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Term
| What are the contents of the infratemporal fossa? |
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Definition
1. Insertion of temporalis muscle
2. Lateral and medial pterygord muscles
3. Pterygoid venous plexus
4. Maxillary a. and v.
5. Mandibular n. and branches
6. Chorda tympani
7. Otic ganglion
(note: masseter is not a content!) |
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Term
| What are the passages related to the pterygoid fossa? |
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Definition
Sup./Post. - Foramen rotundum (V2)
Post. - Pterygoid canal (n. and a. of pterygoid canal)
Ant. - Inferior orbital fissure (zygomatic n. of V2)
Med. - Spenopalatine foramen (Sphenopalatine a., & V2 nasal branches)
Lat. - Pterygomaxillary fissure
Inf. - Greater palatine canal (greater palatine a. & n.) |
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Term
| Sphenoidal sinus opens where? |
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Definition
| Into the sphenoethmoidal recess. |
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Term
| What opens into the superior nasal meatus? |
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Definition
| The posterior ethmoidal cells |
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Term
| What opens into the inferior nasal meatus? |
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Definition
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