Kidney, Renal Tubule - Hyperplasia, Oncocytic - Gallery

Kidney, Renal tubule - Hyperplasia, Oncocytic in a male F344/N rat from a chronic study. Oncocytic hyperplasia represents an increased number of tubule epithelial cells characterized by cytoplasmic enlargement due to the presence of lightly staining, finely granular cytoplasm and centralized nuclei (oncocytes).