Human Spinal Cord: Structure, Composition, and Functions
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Human Spinal Cord: Structure, Composition, and Functions |
Spinal Cord
Structure: Medulla oblongata narrows down into an oval-configuration hollow cylinder, the spinal cord, running through the vertebral column.Composition: It is formulated/made up of a very large number of neurons; the cell-fibers and cell bodies of which are systemized in a definite pattern.
Cross section: In cross-section, the spinal cord shows an inner/interior butterfly shaped grey matter, containing a central canal and the outer portion composed of white matter.
Gray Matter as in other parts of the nervous system consists/comprises of cell bodies and non-myelinated nerve fibers or tracts.
White Matter is made up of myelinated nerve fibers or tract.
Functions Of Spinal Cord
- The spinal cord is the center/heart for a great many/several reflexes.
- It serves as a pathway/passageway for conduction of impulses to and from different: parts of the body and brain.
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