Fig. 3From: On the heterogeneity of the femoral enthesis of the human ACL: microscopic anatomy and clinical implicationsExamples of the six types of entheseal tidemark profiles: a convex; b concave; c convex with one re-entry; d concave with one re-entry; e half concave, half convex; f half convex, half concave. The proportion of sections classified as having a given tidemark profile is shown in the lower corner of each image. Type c was the most common tidemark profileBack to article page