Trigeminal Sensory Pathways Flashcards Preview

M3 Pain and management > Trigeminal Sensory Pathways > Flashcards

Flashcards in Trigeminal Sensory Pathways Deck (8)
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1
Q

What are the 2 nervous systems?

A

▪ Central Nervous System (CNS)

– Brain

– Spinal Cord

▪ Peripheral Nervous system (PNS)

– Spinal nerves

– Cranial nerves

2
Q

Label the diagram, in particular where V sensory/motor roots and IVth Ventricle are..

A
3
Q

Label this diagram and draw the direction where the Trigeminal spinal tract would go…

A
4
Q

What is Nucleus Caudalis the site for?

A

Nucleus Caudalis is the site for synapses for pain, hot and cold

5
Q

What happens when there is damage to main sensory Nucleus (MSN)?

A

Damage to MSN:

– ipsilateral loss of touch to face

– still feel pain, hot or cold

6
Q

What is Trigeminal Mesencephalic Nucleus (Vmes)

A
  • Contain cell bodies for jaw muscle spindle afferents
  • Primary afferent cell bodies within the central nervous system
  • Nerves synapse in the V motor nucleus
7
Q

Where is the Trigeminal Motor Nucleus

A

Medial to the MSN in the Pons

8
Q

Where does the Trigeminal Motor Nucleus efferents exit?

A

Exit via motor root to mandibular division to supply muscles of mastication.