Spinal Cord Anatomy

• White matter – myelinated axons

• Gray matter – cell bodies

• Anterior – median fissure

• Posterior – median sulcus

• Central canal

• Commissure = connecting nerve fibers from one side to other

• Posterior horn- receives sensory / afferent input

• Anterior horn – transmits motor/efferent response

• Columns – pathways / nerve tracts

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