中度心肌梗死一到两周，图上方残存一些正常的心肌纤维，在这些纤维下方可见许多巨噬细胞以及丰富的毛细血管和少许胶原形成。
This is an intermediate myocardial infarction of 1 to 2 weeks in age. Note that there are remaining normal myocardial fibers at the top. Below these fibers are many macrophages along with numerous capillaries and little collagenization.