Ultrastructure of a new cell in the gills of the air-breathing fish Helostoma temmincki.
D000818:Animals; D001693:Biological Transport, Active; D002462:Cell Membrane / Q000502:physiology; D004847:Epithelial Cells; D005399:Fishes / Q000033:anatomy & histology*; D005880:Gills / Q000166:cytology*; D008854:Microscopy, Electron; D008928:Mitochondria