Saturday, July 4, 2020

OTIC Ganglion

Introduction
  • Peripheral parasympathetic ganglion
  • Topographically related to mandibular N
  • Functionally related to glossopharyngeal N

Situation
  • 2-3 mm in size
  •  Situated in infratemporal fossa
  •  Just below foramen ovale
Related
  • laterally to mandibular N
  •  Medially to tensor veli palatini
  • Surrounds the origin to N to medial pterygoid


Connections


Other Connections
  • Sensory root from parotid gland taken up auriculotemporal Nerve
  • Nerve to medial pterygoid give a motor root to otic ganglion, without relay they supply tensor veli palatini  & tensor tympani
  • Chorda tympani N is connected to otic ganglion & N to medial pterygoid - alternative pathway of taste from ant 2/3 of tongue.
Watch lectures on YouTube:



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