dermatomyositis - myositis characterized by weakness of limb and neck muscles and much muscle pain and selling accompanied by skin rash affecting cheeks and eyelids and neck and chest and limbs; progression and severity vary among individuals

polymyositis - myositis characterixed by weakness of limb and neck muscles and much muscle pain and swelling; progression and severity vary among individuals

inclusion body myositis - myositis characterized by weakness of limb muscles (especially the thighs and wrists and fingers); sometimes involves swallowing muscles; onset after 50 and slowly progressive; seen more often in men than in women

inflammation, redness, rubor - a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat

myositis trichinosa, trichiniasis, trichinosis - infestation by trichina larvae that are transmitted by eating inadequately cooked meat (especially pork); larvae migrate from the intestinal tract to the muscles where they become encysted