Primofilices

例句：

1. 1. Primofilices are a type of protein that can help regulate blood clotting.
   前导纤维素是一种蛋白质，可以帮助调节血液凝固。
2. 2. During surgery, the surgeon uses protamine to prevent blood clots from forming.
   在手术中，外科医生使用前导纤维素以防止血液凝固。
3. 3. Protamine is often used in medical treatments to treat bleeding disorders.
   前导纤维素常用于医疗治疗中，用于治疗出血性疾病。