<P> Some infectious fungi, such as those that cause athlete's foot and ringworm (i.e. the dermatophytes), or Batrachochytrium dendrobatidis (Chytrid fungus), feed on keratin . </P> <P> Diseases caused by mutations in the keratin genes include </P> <Ul> <Li> Epidermolysis bullosa simplex </Li> <Li> Ichthyosis bullosa of Siemens </Li> <Li> Epidermolytic hyperkeratosis </Li> <Li> Steatocystoma multiplex </Li> <Li> Keratosis pharyngis </Li> <Li> Rhabdoid cell formation in Large cell lung carcinoma with rhabdoid phenotype </Li> </Ul> <Li> Epidermolysis bullosa simplex </Li>

Where do you find keratin in the body