Shared Flashcard Set

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Neuroscience
Tracts and Nuclei
21
Other
Graduate
03/14/2009

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Cards

Term
superior colliculi
Definition
tract responsible for vision and makes up half of the pretectum
Term
inferior colliculi
Definition
tract responsible for hearing and makes up half of the pretectum
Term
tectospinal
Definition
tract responsible for the turning reflex
Term
red nuclei
Definition
responsible for proximal limb flexion and decorticate rigidity
Term
corticospinal
Definition
responsible for contralateral flexor bias in the distal limbs
Term
inferior olivary nucleus
Definition
responsible for cerebellar relay and climbing fibers and is lateral to the pyramids
Term
EDW
Definition
parasympathetic and controls eye meiosis
Term
superior salvitory nucleus
Definition
responsible for controlling the lacrimal, submandibular, and sublingual glands
Term
inferior salvitory nucleus
Definition
responsible for controlling the parotid gland
Term
Lateral vestibular nuclei
Definition
this is the anti gravity reflex and is responsible for ipsilateral extensor bias and decerebrate rigidity and has direct input on LMN
Term
Pontine reticulospinal tract
Definition
this is responsible for extensor bias but does not have direct input on LMN
Term
lateral corticospinal tract
Definition
this tract is responsible for finger flexion and increased distal tone
Term
corticobulbar
Definition
this tract is responsible for bi-lateral innervation of the face and the genu of the internal capsule
Term
anterolateral spinothalamic
Definition
this tract is responsible for sensory loss in the legs
Term
mesencephalic nuclei
Definition
1a fibers responsible for the jaw drop and is the only nuclei with the cell body in the CNS
Term
motor nucleus of trigeminal
Definition
muscles of mastication; cell body is inside the ganglion
Term
principal/ chief nuclei
Definition
deals with the epicritics of the face that project bilaterally
Term
Spinal nucleus of trigeminal
Definition
protopathics pain and temperature; project ipsilaterally to the thalamus
Term
DTTT
Definition
the ipsilateral projection to the thalamus
Term
VTTT
Definition
is the contralateral projection to the thalamus
Term
superior olivary
Definition
takes part in localizing sound in space
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