The network consists of protein microfilaments, intermediate filaments, and microtubules. The cytoskeleton provides an important structural framework for: 1  Cell shape. 2  For cells without cell walls, the cytoskeleton determines the shape of the cell. 3  This is one of the functions of the intermediate filaments.
Such bump or bumps are mostly patchy in appearance. Other causes of Tongue Sores also include bacterial infections, Oral Herpes, Oral Cancer, immune system disorders etc. In most of the cases, sores on tongue caused by Oral Cancer usually develop on either the sides of the tongue or in the floor of the mouth.
Causes of Cracked Tongue. 1  Injury or Trauma. 2  Your tongue may develop fissures if you are constantly brushing the lateral borders or dorsal surface of the tongue. 3  Eating or exposure to a broken tooth may also cause constant friction on the tongue that could cause cracking for fissures.