<prompt> Rosenthal fibres are seen in which of the following tumor?Pilocytic astrocytomaGlioblastomaMedulloblastomaEpendymoma  <response>: On microscopic examination of pilocytic astrocytoma, the tumor is composed of bipolar cells with long, thin hairlike processes that are GFAP-positive and form dense fibrillary meshworks. Rosenthal fibers and eosinophilic granular bodies, are often present. 