pterygopalatine fossa Flashcards
7 foramina associated with the pterygopalatine fossa
inferior orbital fissure (anterior/superior) sphenopalatine foramen (medial) foramen rotundum (posterior superior) pterygoid canal (posterior) pharyngeal canal (posterior) palatine canal (inferior) pterygomaxillary fissure (lateral)
the _____ artery usually correlates with the pterygomaxillary fissure
3rd part of the maxillary
branches of maxillary a. associated with pterygomaxillary fissure
infraorbital a. sphenopalatine a. a. of pterygoid canal a. of pharyngeal canal (pharyngeal a.) descending palatine a. (greater/lesser palatine aa.) posterior superior alveolar a. (MSA/ASA)
pterygomaxillary fissure is between the ____ and _____
lateral pterygoid plate of the sphenoid and maxilla
sphenopalatine foramen is between the ____ and _____
sphenoid bone and perpendicular plate of the palatine bone
sphenopalatine foramen transmits:
sphenopalatine a. (to the nasal cavity)
nasopalatine n. (from V2)- to the nasal septum
posterior lateral nasal nerves (superior and inferior)- from V2 to the lateral wall of the nasal cavity
2 branches of sphenopalatine a.
posterior lateral nasal branches (to supply lateral nasal wall)
posterior septal branch (to supply nasal septum
____ passes through foramen rotundum
maxillary nerve (V2)
inferior orbital fissure transmits:
infraorbital n. and zygomatic n. (from V2)
2 branches of zygomatic n.
zygomaticofacial
zygomaticotemporal
pterygoid canal transmits:
n. of pterygoid canal
pterygoid branch of maxillary a.
pharyngeal canal/groove transmits:
pharyngeal n. (from V2)
pharyngeal branch of maxillary a.
palatine canal transmits:
greater and lesser palatine nn. (from V2)
descending palatine a (greater/lesser palatine aa.)
