Medical Definition of whirling disease
: an infectious often fatal disease of salmonid fish (as trout and salmon) that is caused by a protozoan (Myxobolus cerebralis synonym Myxosoma cerebralis) of the order Myxosporidia which attacks cartilage of the head and spinal cord especially of young fish and that causes the fish to swim in circles and is marked by skeletal deformities
Learn More about whirling disease
Dictionary: Definition of "whirling disease"
Seen and Heard
What made you want to look up whirling disease? Please tell us where you read or heard it (including the quote, if possible).