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23 Cards in this Set
- Front
- Back
Pterygopalatine fossa communicates w/ infratemporal fossa via?
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PTERYGOMAXILLARY FISSURE --> infratemporal fossa
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Pterygopalatine fossa communicates w/ middle cranial fossa via?
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FORAMEN ROTUNDUM --> middle cranial fossa
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Pterygopalatine fossa communicates w/ orbita via?
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INFERIOR ORBITAL FISSURE --> orbit
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Pterygopalatine fossa communicates w/ hard palate via?
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GREATER & LESSER PALATINE FORAMEN --> hard palate
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Pterygopalatine fossa communicates w/ nasal cavity via?
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SPHENOPALATINE FORAMEN --> nasal cavity
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The pterygopalatine foramen communicates w/ the nasopharynx via?
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PALATOVAGINAL CANAL --> Nasopharynx
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What forms the POSTERIOR boundary of the pterygopalatine fossa? (2)
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1. Roof of pterygoid plates
2. Inferior surface of greater wing of sphenoid |
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What forms the ANTERIOR boundary of pterygopalatine fossa?
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Posterior surface of maxilla
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What forms the SUPERIOR boundary of the pterygopalatine fossa? (3)
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1. Posterior part of inferior orbital fissure
2. Orbital process of palatine bone 3. Body of sphenoid bone |
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What forms the INFERIOR boundary of the pterygopalatine fossa?
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Apex leading into pterygopalatine canal
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What forms the MEDIAL boundary of the pterygopalatine fossa?
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Perpendicular plate of palatine bone
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What forms the LATERAL boundary of pterygopalatine fossa?
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Location of pterygomaxillary fissure
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Maxillary nerve contains ONLY what type of fibers?
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Sensory
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What are the branches of the maxillary nerve? (8)
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1. Zygomatic nerve
2. Pterygopalatine nerves 3. PSA 4. MSA 5. ASA 6. Palpebral branches 7. Nasal branches 8. Labial branches |
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The zygomatic nerve splits to become which 2 nerves?
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1. Zygomaticotemporal
2. Zygomaticofacial |
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What are the ganglionic branches of the maxillary nerve? (5)
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1. Greater & lesser palatine nerves
2. Nasopalatine 3. Posterior superior lateral nasal 4. Pharyngeal 5. N. to ptyergoid canal |
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What ganglion are found in the pterygopalatine fossa? (2)
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1. Pterygopalatine ganglion (parasympathetic)
2. Geniculate ganglion (sensory) |
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What are the contents of the pterygopalatine fossa? (9)
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1. Maxillary nerve
2. Facial nerve 3. Pterygopalatine ganglion 4. Geniculate ganglion 5. Greater & deep petrosal 6. Nerve to pterygoid canal 7. PSA nerves 8. Greater & lesser palatine nerves 9. Internal cartoid w/ periartial plexus |
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Preganglionic parasympathetics to the pterygopalatine ganglion come from which nucleus?
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Superior salvatory nucleus (VII)
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Preganglionic parasympathetics that synapse in pterygopalatine gangion are carried by which nerves?
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Superior salivatory nucleus (VII) --> Greater petrosal nerve (VII) --> N. to pterygoid canal (V-2) --> Pterygopalatine ganglion
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Postganglionic parasympathetics from pterygopalatine ganglion are carried by which nerves to lacrimal, nasal & oral glands?
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V-1 & V-2
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Postganglionic sympathetics travel from superior cervical ganglion to pterygopalatine ganglion via?
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Internal carotid plexus --> Deep petrosal nerve
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Which arteries are found in the ptyergopalatine fossa?
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3rd PART OF MAXILLARY ARTERY:
1. Infraorbital artery 2. PSA artery 3. Sphenopalatine artery 4. Descending palatine artery 5. Artery of pterygoid canal 6. Pharyngeal artery |