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Correlation and regression analysis can be used to test for simple associations between two nominal variables.
Dorsal Root Ganglion
A cluster of nerve cell bodies (neurons) located in the dorsal root of spinal nerves, containing sensory neurons that transmit signals from the periphery to the spinal cord.
Spinal Nerve
A nerve that emerges from the spinal cord and is part of the peripheral nervous system, responsible for transmitting motor, sensory, and autonomic signals between the spinal cord and the body.
Central Canal
The longitudinally oriented space filled with cerebrospinal fluid that extends throughout the entire length of the spinal cord.
Conus Medullaris
The tapered, lower end of the spinal cord, which typically ends around the first lumbar vertebra.
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