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44 Cards in this Set
- Front
- Back
What is the darker area?
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Gray matter
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What is the lighter area?
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White matter
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What is the darker area?
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White matter
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What is the lighter area?
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Gray matter
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Name the spinal segments groups from rostral to caudal end.
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Cervical, Thoracic, Lumbar, Sacral, and Coccygeal
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How many segments are in the cervical spinal cord region?
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8
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How many segments are in the thoracic spinal cord region?
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12
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How many segments are in the lumbar spinal cord region?
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5
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How many segments are in the sacral spinal cord region?
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5
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How many segments are in the coccygeal spinal cord region?
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1
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This is is an example of a cross section for what region?
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Cervical
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This is is an example of a cross section for what region?
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Thoracic
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This is is an example of a cross section for what region?
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Lumbar
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This is is an example of a cross section for what region?
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Sacral
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What are the divisions of the Gray Matter called?
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Horns, and nuclei
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What is the blue area?
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The dorsal horn
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What is the area is green?
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The Substantia Gelatinosa (typically pale stained)
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What is the role of the substantia gelatinosa?
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plays a role in processing of pain and tempurature information
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What is the blue area?
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The Nucleus Proprius
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What is the Nucleus Proprius comprised of?
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Groups of interneurons
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What is the yellow area?
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The Nucleus Dorsalis (aka Clarke's Nucleus)
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Where is the Nucleus Dorsalis typically found?
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C8-L2
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What is pink area?
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The ventral horn
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What type neurons does the ventral horn contain?
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Lower motor neurons
Motor neurons (alpha motor neurons), and gamma motor neurons. |
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What is the yellow area?
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The intermediate zone.
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What is the area indicated in red?
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The Intermediolateral Cell Column (Lateral Horn)
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Where is the lateral horn typically present along the spinal cord?
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T1-L1,2
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What is the area outlined in red?
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The dorsal column (funiculus)
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The darkly shaded red shaded area is the...?
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Fasciculus gracilis
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Where does the fasciculus gracilis supply information?
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Lower limbs
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The lightly shaded red area is the...?
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Fasciculus cuneatus
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Where does the fasciculus cuneatus supply information?
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Upper limbs
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Where are these gracilis and cuneatus fasciculi located along the spinal cord?
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Both fasciculi can be found in the cervical segments, however the fasciculus gracilis continues into the lumbar and sacral regions.
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What is the white area?
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Lissaur's tract (Dorsolateral fasciculus)
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What type of information does Lissaur's tract carry?
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Pain and temperature information
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What is the area in lime green?
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The spinothalamic tract
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What are the yellow areas?
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The dorsal and ventral spinocerebellar tracts
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What is the area indicated by the larger light blue circle, located in the area outline in purple?
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The lateral corticospinal tract
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What is area is indicated by the small blue oval shape, located in the area outlined in orange?
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The ventral corticospinal tract
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What is the small pink area (found near the lateral corticospinal tract)?
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The rubrospinal tract
extrapyramidal from the red nucleus of the midbrain |
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What is the brown area?
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The Reticulospinal tracts
Extrapyramidal from the pontine and medullary reticular formation |
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What are the sea green (turquoise) areas indicating?
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The Vestibulospinal tracts
Extrapyramidal From the vestibular nuclei of the pons/medulla |
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What is the lavender shaded area?
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The Lateral Column (funiculus)
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What is the orange shaded area?
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The Ventral Column (funiculus)
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