Differentiate between the following pair on the basis of what is mentioned within brackets.
Cerebrum and spinal cord (arrangement of nerve cells).
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Solution
Cerebrum: The largest anatomical region of the human forebrain containing the highest neural centers of the nervous system is called the cerebrum.
Spinal cord: The cylindrical part of the central neuron system originates from the lower part of the medulla oblongata and is present within the cerebral canal extending from the foramen magnum up to the first or second lumbar vertebra is called the is the spinal cord.
Cerebrum
Spinal cord
Grey matter (cell bodies of neurons) is present on the surface of the cerebrum.
White matter (axons of neurons) is present just beneath the grey matter of the cerebrum.
Grey matter (all bodies of neurons) is present in the central part of the spinal cord.
In the spinal cord white matter (axons of neurons) envelops the grey matter.