Disease caused by infestation with distoma parasites; a parasitic infection of the liver or blood.
From distoma plus -osis (Greek suffix meaning 'condition' or 'disease'). Medical terminology following the pattern: organism + -osis = disease.
The -osis suffix is the medical world's way of saying 'a diseased state caused by X'—tuberculosis, hepatosis, cirrhosis all follow this pattern. It's medical Latin's shorthand for 'you're infected with this.'
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