ascending sensory pathways II Flashcards
which modalities are essential to survival?
pain, temp, touch and pressure
which modalities increase detail?
discriminative touch, proprioception
where are cranial nerve nuclei located?
in the brain stem
which cranial nerves carry general sensation from the head?
V, VII, IX and X
which area of the head does the trigeminal nerve carry sensory information?
face, nose, scalp, dura
which area of the head does the facial nerve carry sensory information?
the external ear
which area of the head does the glossopharyngeal nerve carry sensory info?
post 1/3 of the tongue, pharynx and middle ear
which area of the head does the vagus nerve carry sensory info?
auditory canal, larynx, pharynx, oesophagus
which nucleus do sensory fibres from cranial nerve V, VII, IX, X run in?
trigeminal nucleus
does the motor nuclei of trigeminal lie medial or lateral to the sensory nuclei?
Medial
what are the three parts of the sensory trigeminal nucleus?
Mesencephalic nucleus
pontine nucleus
spinal nucleus
which nucleus receive pain and temp of the head?
CAUDAL part of spinal nucleus
which nucleus receives touch and pressure of the head?
ROSTRAL part of spinal nucleus
which tract do the secondary neurons ascend in?
trigeminothalamic tract
which nucleus receive discriminative touch?
pontine nucleus
