ascending sensory pathways II Flashcards Preview

Run through C&M lectures > ascending sensory pathways II > Flashcards

Flashcards in ascending sensory pathways II Deck (18):
1

which modalities are essential to survival?

pain, temp, touch and pressure

2

which modalities increase detail?

discriminative touch, proprioception

3

where are cranial nerve nuclei located?

in the brain stem

4

which cranial nerves carry general sensation from the head?

V, VII, IX and X

5

which area of the head does the trigeminal nerve carry sensory information?

face, nose, scalp, dura

6

which area of the head does the facial nerve carry sensory information?

the external ear

7

which area of the head does the glossopharyngeal nerve carry sensory info?

post 1/3 of the tongue, pharynx and middle ear

8

which area of the head does the vagus nerve carry sensory info?

auditory canal, larynx, pharynx, oesophagus

9

which nucleus do sensory fibres from cranial nerve V, VII, IX, X run in?

trigeminal nucleus

10

does the motor nuclei of trigeminal lie medial or lateral to the sensory nuclei?

Medial

11

what are the three parts of the sensory trigeminal nucleus?

Mesencephalic nucleus
pontine nucleus
spinal nucleus

12

which nucleus receive pain and temp of the head?

CAUDAL part of spinal nucleus

13

which nucleus receives touch and pressure of the head?

ROSTRAL part of spinal nucleus

14

which tract do the secondary neurons ascend in?

trigeminothalamic tract

15

which nucleus receive discriminative touch?

pontine nucleus

16

which nucleus receive proprioception?

Mesencephalic nucleus

17

where is the nucleus for the proprioception pathway?

inside the mesencephalic nucleus

18

where do the fibres go in the thalamus from the trigeminal pathway

the VPM of the thalamus