Lecture 1- Brainstem II

Question 1

Pons components

Answer 1

Dorsal sensory/motor tegmental

Ventral pontine nuclei

Question 2

Pons fibre pathways

Answer 2

Corticospinal
Corticopontine
Pontocerebellar

Question 3

Pons cranial nerve nuclei

Answer 3

Trigeminal (V) (motor + sensory)
Abducens (VI)
Facial (VII)
Vestibulocochlear (VIII)

Question 4

Pons neuromodulatory nuclei

Answer 4

Raphe (serotonergic)
Locus coeruleus (noradrenergic)
Lateral dorsal tegmental and pedunculopontine (cholinergic)

Question 5

Ponds intrinsic nuclei

Answer 5

Pontine grey

Cochlear nuclei

Question 6

Pons reticular nuclei

Answer 6

Oral pontine
Caudal pontine
Pontine reticulotegmental

Question 7

Medulla components

Answer 7

Composed mostly of continuations of fibre tracts of spinal cord and various cranial nerve nuclei

Question 8

Medulla fibre pathways

Answer 8

Pyramidal tract

Tectospinal tracts

Question 9

Medulla cranial nerve nuclei

Answer 9

Vestibulochochlear (Only vestib part) (VIII)
Glossopharyngeal (IX)
Vagus (X)
Accessory (XI)
Hypoglossal (XII)

Question 10

Medulla neuromodulatory nuclei

Answer 10

Ventral raphe (serotonergic)

Question 11

Medulla intrinsic nuclei

Answer 11

Inferior olivary nucleus
Dorsal vagal motor nucleus
Area postrema

Question 12

Medulla reticular nuclei

Answer 12

Parvocellular reticular area
Central medullary nucleus
Paramedian and lateral reticular nuclei