Sensory Afferent Nuclei

Question 1

Trigeminal Sensory Nucleus

Answer 1

CNs:

• V Trigeminal
• VII Facial
• IX Glossopharyngeal
• X Vagus
• Mesencephalic nucleus
• Chief trigeminal sensory nucleus
• Spinal trigeminal nucleus

Question 2

Cochlear nucleus

Answer 2

CN VIII Vestibulocochlear

Question 3

Vestibular nuclei

Answer 3

CN VIII Vestibulocochlear

Question 4

Solitary nucleus (nucleus solitarius)

Answer 4

CNs:

• VII (Facial)
• IX (Glossopharyngeal)
• X (Vagus)

Question 5

Trigeminal Sensory Nucleus

- Mesencephalic nucleus

Answer 5

• Midbrain
• Located at point of entry of CN V
• Poprioceptive input (mechanoreceptors) from joints, muscles of mastication, teeth and peridiontium
• Sensory limb of jaw jerk reflex, force of bite, Projects to motor nucleus of V

Question 6

Trigeminal Sensory Nucleus

- Chief (main, pontine, primary, principle) Trigeminal Sensory Nucleus

Answer 6

• Pons
• Lateral to motor nucleus
• 2- point discrimination or discriminate touch and pressure sensations from face, scalp oral cavity, nasal cavity and dura

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Question 7

Trigeminal Sensory Nucleus

- Spinal Trigeminal (decending) nucleus

Answer 7

• Spinal cord to pons
• Continuation of chief sensory
• Pain and temperature sensations from face

Question 8

Cochlear nucleus

Answer 8

CN VIII Vestibulocochlear

• Pontomedullary Juction
• Hearting

Question 9

Superior olivary nucleus

Answer 9

• Pons

- Receives auditory input from the cochlear nucleus

Question 10

Vestibular nuclei

Answer 10

CN VIII Vestibulocochlear

• Pons
• Balance/Equalibrium

Question 11

Solitary Nucleus (Nucleus Solitarius)

Answer 11

CNs:

• VII Facial
• IX Glossopharyngeal
• X Vagus
• Medulla
• Taste, cardiorespiratory, GI sensations