Amyloid is an eosinophilic, homogenous, hyaline material. Due to its beta-pleated-sheet structure it is almost insoluble. Amyloid may be present in one of two forms: | Amyloid is an eosinophilic, homogenous, hyaline material. Due to its beta-pleated-sheet structure it is almost insoluble. Amyloid may be present in one of two forms: |