1. Plural of polymyositis; instances or cases of a chronic inflammatory disease affecting skeletal muscles, characterized by muscle weakness and inflammation.
Usage: Medical/clinical term; Plural form

Examples

• The hospital documented several polymyositises in patients presenting with progressive muscle weakness.
• Researchers studied different polymyositises to understand variations in disease progression.
• Multiple polymyositises were diagnosed in the clinic that year, requiring specialized treatment protocols.
• The medical team compared polymyositises across different age groups to identify patterns.