Intermediate filaments in glial cells are: (A) Keratin, (B) Desnin, (C) GFAP, (D) Bone
Answer is C. Intermediate filaments are used as tumor markers GFAP is the intermediate filament present in glial cells, they are used to indicate astrocytoma Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:8,9,14