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Rexed Laminae and Spinal Cord Tracts

by Craig Canby, PhD
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    About the Lecture

    The lecture Rexed Laminae and Spinal Cord Tracts by Craig Canby, PhD is from the course Spinal Cord. It contains the following chapters:

    • Rexed Laminae
    • Spinal Cord Tracts

    Included Quiz Questions

    1. Rexed Laminae I—IV are located in the dorsal column.
    2. Rexed Laminae X is located in area of decussation of neurons.
    3. Rexed Laminae VIII—IX are located in the ventral horn.
    4. Rexed Laminae I—IV are located in the dorsal horn.
    5. Rexed Laminae I is located most dorsally and Rexed Laminae IX is located most ventrally.
    1. X----->Relay between midbrain and cerebellum
    2. V—VI----->Proprioception
    3. I—IV -----> Fine touch, temperature and vibration
    4. VII-----> Visceral motor output
    5. VIII—IX-----> Final motor output
    1. Innervation to proximal muscles of upper limbs arise from the more medial aspect.
    2. Flexors of the upper limb are oriented more anteriorly.
    3. Innervation to distal muscles of upper limbs arise from the more medial aspect.
    4. Innervation to proximal muscles of upper limbs arise from the more lateral aspect.
    5. Extensors of the upper limb are oriented more posteriorly.
    1. T1—T12 & L1—L2
    2. T1—T4 & L1—L2
    3. T1—T8 & C1—C5
    4. L1—L5 & S1—S4
    5. C1—C7 & T1—T12

    Author of lecture Rexed Laminae and Spinal Cord Tracts

     Craig Canby, PhD

    Craig Canby, PhD


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