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23 Cards in this Set

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