랫드에서 흉부 대동맥 조직을 수집하여 10% 포르말린에 3일 동안 고정시킨 후, 수세를 통해 조직 내에 남아있는 포르말린을 제거하였다.
After collecting thoracic aortic tissues from rats and fixing them in 10% formalin for 3 days, the formalin remaining into the tissues was removed by washing with water.