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Nerve root outlet of the spinal cord, most often between L4-L5 or L5-S1.
Dorsal scapular nerve
ventral root of a spinal nerve
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no
Motor function, as opposed to the dorsal roots, which are primarily sensory.
Yes
Yes this can happen when any nerve is damaged but this is a greater danger if its an actual Spinal Nerve.
Nerve root outlet of the spinal cord, most often between L4-L5 or L5-S1.
Dorsal scapular nerve
Yes. Kangaroos, like humans, are vertebrates, which are a subset of chordates (having a dorsal nerve cord).
ventral root of a spinal nerve
Yes, the ventral root of a spinal nerve is the efferent motor root, consists of axons of motor neurons. It joins the dorsal root to form a mixed spinal nerve, which consists of afferent sensory neurons (from the dorsal root) and efferent motor neurons (from the ventral root). Therefore severing the ventral root will result in a loss of motor function for the myotome supplied by that spinal nerve.
Pinching of the L5 nerve causes weakness in the big toe and ankle and pain on the top of the foot that may extend up to the buttocks.
Nerve root clumping is usually indicative of arachnoiditis, a painful, progressive spinal condition. Please research arachnoiditis.
yes
Yes.