Pterygopalatine Fossa Flashcards
Define pterygopalatine fossa
A small space behind and below the orbital cavity
An inverted teardrop shaped between the bones on lateral side of skull ,posterior to maxilla
What forms the roof of the ppf
Greater wing of sphenoid
Inferior orbital fissure
What forms the medial boundaries of ppf
Perpendicular palatine fossa and the spenopalatine foramen
What forms pterygoid nerve
Joining of greater pterosaurs nerve and sympathetic fibres of internal carotid plexus
What forms anterior boundary of ppf
Inferior orbital fissure
Maxillary sinus
What forms the posterior boundary of ppf
Pterygoid plates and lesser wing of sphenoid bone
Foramen rotundum
What forms the floor of ppf
Pyramidal process of palatine bone
Palatine canals
What forms lateral border of ppf
Pterygomaxillary fissure
Which structures pass through
ppf
Pterygopalatine ganglion, maxillary nerve, 3rd part of maxillary artery, nerve of pterygoid canal (vidian’s nerve)
Blood supply and innervation of upper teeth
Maxillary artery and nerve
Maxillary nerve
Purely sensory
Exits the middle cranial fossa and enters the pterygopalatine fossa through the foramen rotundum
Which structures pass through temporal fossa
Zygomaticotemporal nerve, deep temporal nerves , auricular temporal nerves
Name the 4 parasympathetic ganglia in the head
Pterygopalatine ganglion
Sphenopalatine
Meckel’s ganglion
Nasal ganglion
Branches of pterygopalatine ganglion
Orbital branch
Greater and lesser palatine nerves
Pharyngeal branch
Greater pterosal nerve
How to reduce a dislocated jaw
Press premolar teeth down and chin is pressed up and backwards simultaneously
