Divide the term Poliomyelitis into and identify the meaning of its component parts.
a) Poli/o (gray) + myel/o (spinal cord) + -itis (inflammation); inflammation of the gray matter of the spinal cord
b) Poly (many) + myel (muscle) + -itis (inflammation); inflammation of many muscles
c) Poli/o (gray) + my/o (muscle) + -itis (inflammation); inflammation of the gray matter of muscles
d) Poli/o (polish) + myel/o (bone marrow) + -itis (inflammation); inflammation of the polished bone marrow