Definition of whirling disease
: an infectious often fatal disease especially of young salmonid fishes (such as trout and salmon) that is caused by a protozoan (Myxobolus cerebralis synonym Myxosoma cerebralis) and is marked by skeletal deformities and a tendency to swim in circles
From the M-W Editors
1946
First Known Use of whirling disease
1946
Medical Dictionary
noun
whirl·ing disease
\ˈhwər(-ə)l-iŋ-, ˈwər(-ə)l-\
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
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