Figure 4From: Nucleospora cyclopteri n. sp., an intranuclear microsporidian infecting wild lumpfish, Cyclopterus lumpus L., in Icelandic watersHistological tissue sections from very heavily infected fish. (a) Severe necrosis of renal haematopoietic tissue with lymphocyte infiltration (arrow). (b) Vacuolar degeneration of haematopoietic tissue of the kidney. (c) Area with collapsed kidney tubules (broad arrow). (d) Myocardial inflammation showing infiltration of lymphocytes (arrow). (a) and (b) Giemsa stain. (c) and (d) Haematoxylin and Eosin stain. Scale bars = 100 μm.Back to article page