Minor molecule globulin myoglobin secrete from the muscle to the circulation of blood when cardiac muscle or skeletal muscles is injured, and filter through glomerulus to urine.

• 肌红蛋白是个较小分子的球蛋白,心肌或骨骼肌损伤时肌红蛋白可以从肌肉组织到循环血中去,而且能通过肾小球滤过,出现在尿中。