Figure 3From: Long-term follow-up of nephrotoxicity in rats administered both melamine and cyanuric acid Characteristics of crystals from the distal tubules of 6-week-old rats from Group M + C are observed as light brown staining on HE staining (a), polarized light optical microphotography (b), red with axle-shaped layers on Oil Red O staining (c), and lack of staining on von Kossa staining (d) (×200). Back to article page