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Neuro clinics 26 - trigeminal nerve
 

Neuro clinics 26 - trigeminal nerve

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trigeminal nerve, fifth nerve

trigeminal nerve, fifth nerve

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    Neuro clinics 26 - trigeminal nerve Neuro clinics 26 - trigeminal nerve Presentation Transcript

    •  
    • Neuro-clinics 26 Trigeminal nerve Dr Pratyush Chaudhuri Supported by Mankind Pharmaceuticals and Nirmal clinics
      • Mixed Nerve
      • Largest cranial nerve
      • Motor functions
      • Supplies the Massater, temporalis and the internal and external pterygoids.
      • Also supplies the mylohyoid and the ant belly of the digastric ms.
      • Tensor veli palatini and tensor vili tympani
    •  
    •  
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      • Sensory distribution
      • Pontine nucleus
      • Mesencephalic nucleus ( proprioceptive sensation from the muscles supplied by the Vth nerve)
      • Nucleus of descending root (extends upto the c3 – c4 root- tract of lissauers ’
    •  
      • Sensory supply is also to the
      • Cornea , iris
      • Conjuctiva
      • Mucosa of the frontal sinus
      • Upper part of the nasal cavity.
    •  
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      • Several ganglions are related to the Vth nerve
      • Gasserian ganglion
      • Spheno-palatine ganglion
      • Otic
      • Submaxillary ganglion
    •  
    • Key Principles of examinations
      • Jaw is deflected to the side of the involved nerve and the patient is unable to deviate it towards the unaffected side.
      • Open Jaw – pterygoides
      • Close jaw -masseters
      • Remember angle of the face is not supplied by the trigeminal – it is supplied by the C2- C3 root
      • Reflexes
      • Corneal reflexes ( direct and consensual)
      • Jaw jerk ( masseter reflex)
      • Head retraction reflex
      • Sneeze reflex
      • Reflex of Bechterew
    •  
      • Pain of trigeminal origin
      • Trigeminal neuralgia
      • Herpes ophthalmicus
      • Sluders’ syndrome [ neuralgia of spheno-palatine ganglion]
    •