Mindmap

Trigeminal CN V

Carmen Amaya Englisch

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Trigeminal CN V

Sensory root
- Trigeminal ganglion
  - Located anterior surface of petrous part of temporal bone
- Passes thru sphenoid
- OPthalmic VI
  - Afferent
    - Conjunctiva
    - Cornea
    - Eyeball
    - Orbit
    - Forehead
    - Ethmoidal/front sinuses
    - Dura mater
  - Sup orbital Fissure
  - Frontal N
    - Supraorbital N
      - Forehead/ ant scalp
    - Supratrochlear
      - Bridge of nose, medial per eyelids and forehead
    - Afferent
    - Located in orbit
  - Lacrimal N
    - Afferent
    - Lateral upper eyelid
    - Conjunctiva
    - Lacrimal gland
    - Postgang para for tears
  - Nascoiliary N
    - Afferent
    - Infratrochlear
    - Ciliary N
    - Ant ethmoidal N
      - Ext/Int nasal N
    - Post ethmoidal N
- Maxillary VII
  - Afferent
    - Maxilla
      - skin
      - oral mucosa
      - sinuses
      - palate
      - nasopharynx
      - dura mater
      - Nasal cavity
  - Zygomatic N
    - Zygomaticofacial N
      - Skin/cheek
    - Zygomaticotemporal N
      - skin
    - Afferent for lacrimal gland/N
  - F. Rotundum
  - Pterygopalatine Fossa
    - All branches come together here
    - Postgand para for minor salivary glands
  - Infraorbital N
    - upper lips
    - Medial cheek
    - side of nose
    - lower eyelid
    - Passes thru IO Foramen
      - Located inferior to the midpoint of the inferior margin of the orbit, IO rim. Palpation of IO foramen will before anethsia will cause soreness to area due to nerve
    - Ant Sup AV N
      - Max Ant teeth/ labial periodontium
      - Orginates in pulp, exists thru apical F
      - ASA block
      - Along MSA by IO block
      - AMSA block
      - Dental plexus
      - Afferent
    - MSA N
      - Max Premolar
      - MB root of Max 1st Molar
      - Dental plexus
      - Joins IO N in lateral wall of max sinus
      - MSA block
      - ASA N IO block
      - AMSA block
      - Not always present, only 28% of times
      - Afferent
  - PSA N
    - Mucous membranes of max sinus
    - Max molars
    - Buccal Periodontium
    - Dental plexus
    - Afferent
  - Nasopalatine N
    - Orgin: mucosa of anterior hard palate; #8,#9
    - Afferent
      - Ant hard palate
      - palatal periodontist of all max ant teeth
      - Nasal septal tissue
    - Enters thru the incisive formen
      - NP block
        AMSA block
      - Travels thru nasal septum
  - Greater Palatine N
    - Located: mucoperiosteum/bone of post hard palate
    - Afferent
      - post hard palate
      - palatal gingiva of same side of Max post teeth
    - Enters thru GP F. in horizontal plate of saltine bone; max 2,3 molars
    - GP block
    - AMSA block using palatal tech
  - Lesser Palatine N
    - enters thru LP F. In palatine bone
    - Joins GP w/In pterygopalatine canal and moves -> pterygo fossa
- Mandibular N V3
  - Passes thru F. Ovale
  - Largest of all divisions
  - Efferent
    - Medial Ptery N
      - Middle ear
      - Tensor tympani
      - tensor veli palatini
      - Medial pterygoid
  - Afferent
    - Meningeal Branches
      - Dura Mater
  - Anterior trunk
    - Buccal N
      - Afferent
        Skin of cheek
        Buccal mucosa/periodontium
        gingiva mandibular molars
      - Located on surface of buccinator muscle
      - Ant border of mand rams injection landmark
      - Differnt that Buccal N of facial N which is efferent
    - Effernt
      - Muscular branches
        Deep temporal N
        Post
        Masseteric N
        Lateral Pterygoid N
        Efferent for Lateral Ptery Muscle
        Ant
        Orgin buccal nerve
  - Posterior Trunk
    - Auriculotemporal N
      - Afferent
        Ext Ear
        scalp
        TMJ
        Post Gang Para to parotid
      - Communicates w/ facial N and ear
      - Gow-Gates mandibular block
      - IO block due to proximity
    - Lingual Nerve
      - Afferent
        Travels along lateral surface of tongue
        Formed from lingual periodontist /gingiva of mand teeth
        body of tongue
        floor of mouth
        associated ling periodontist/ginigva of mand teeth
      - Communcates w/ submand ganglion
        para system
        Efferent for sibling/mand salivary glands
        arise form the chords tympani but travels along lingual
      - IA block
      - Gow-Gates
    - Mental Nerve
      - Afferent
        Chin
        Lower lip
        labial mucosa
        mand ant teeth/premolars to midline
      - Enters the mental F
      - IA block
      - How-Gates
      - apices of mand premolars
    - Incisive N
      - Afferent
        Mand ant teeth/premolars
      - Merges w/ mental N at mental F
      - Travels w/In mand incisie canal
      - I block/ thru mental F
      - IA block
      - Gow Gates
    - Mylohyoid N
      - Goes thru sphenomand ligament
        Travels thru mylohyoid groove to Mylohyoid muscle
      - Efferent
        Mylohyoid muscle
        Ant belly of digastric
      - Afferent
        Man first molar
      - IA block
      - G ow Gates
  - Inferior AV N
    - Afferent
      - mand teeth
      - facial periodontium
      - gingiva og mandibular ant teeth/premolars
      - axial mucosa thru its incisive /mental branches
    - Inf Dental plexus
    - Exits out the mandibular foramen
      - 2/3 distance from the corned notch to posterior border of mand rams
    - IA blockw/In pterygomandibular space
    - Gow- Gates
Motor Root
- Efferent
  - Mastication
    - Exits the oval

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Beschreibung: Mindmap am Trigeminal CN V, erstellt von Carmen Amaya am 18/11/2017.
Erstellt von: Carmen Amaya
Aufrufe: 1
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Trigeminal CN V

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