feritin

例句：

1. 1. He was diagnosed with a condition that requires regular blood tests to monitor his feritin levels.
   他被诊断出患有一种需要定期血液检测来监测他的铁蛋白水平的状况。
2. 2.The study found that high levels of feritin in the body could indicate anemia, which can be caused by various factors.
   研究发现，体内铁蛋白水平过高可能表明贫血，这可能由各种因素引起。
3. 3.Ferritin is a protein that stores iron in the body and helps regulate its availability.
   铁蛋白是一种储存铁在体内的蛋白质，有助于调节其可用性。