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25 Cards in this Set
- Front
- Back
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Where is the rubrospinal tract located? What is it's function?
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from red nucleus. Proximal muscle flexors of upper and lower extremities
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What is the function of the reticulospinal tract? Where is it located?
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Extensor muscles of BACK and ARMS (except any back muscle innervated by a plexus
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What is the function of the tectospinal tract? Where is it located?
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controls neck muscles. located in the midbrain (tectum)
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What is the function of the vestibulospinal tract? Where is it located?
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extensor muscles of BACK and LEGS. From cerebellum and vestibular nuclei
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What is the function of the corticospinal tracts?
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flexors of distal extremities
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decussate?
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medulla and medullary pyramids
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Where does the ventral corticospinal tract decussate?
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at the spinal level (for flexors of the trunk)
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What spinal level do the sympathetics run?
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T1-L2
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What is the function of the lateral spinothalamic tract? ventral?
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pain/temp; crude touch/pressure
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What are the receptors in the spinothalamic tracts?
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free nerve endings (pain/temp/touch)
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What is Syringomyelia? What is the significance?
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dilation of the central canal (usually c5/6); cuts spinothalamic tracts, so results in lost pain and temperature in "cape and shawl-like" distribution
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the _____ lobe of the cerebellum is for midline and balance of the spine
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flocculonodular
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Name the cerebellar nuclei from lateral to medial
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FGED. Fastigial, globus, emboliform, dentate
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what cerebellar nuclei is involved with the spine?
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fastigial
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what cerebellar nuclei is involved with proximal joints?
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globus (G for glenohumeral)
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what is the interposed nuclei of the cerebellum made up of?
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globus and embiliform
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MSC are type ___ fibers and are sensitive to _____
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type 1a, sensitive to stretch (mSc for Stretch)
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GTO are type ___ fibers and sensitive to _____
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type 1b. sensitve to tension (gTo for Tension)
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When you think of spino-olivary tract, think of these 2 things.
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1. inferior olivary nucleus
2. climbing fibers |
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What portion of the midbrain contains the sup and inf colliculi?
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tectum
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What is the term for all 4 colliculi as a whole?
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Corpora Quadrigemina
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What tract is the reflex to light and sound?
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tectospinal tract
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What part of the midbrain to cranial nerves 3 and 4 come off of?
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tegmentum
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What is the AKA for cerebral peduncles?
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basis pedunculi
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what is the disease resulting from damage to the substantia nigra?
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parkinson's
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