Figure 7From: Diverse arachnoid cyst morphology indicates different pathophysiological originsAberrant-type cyst, SEM recordings of luminal surface. The epithelium exhibits a mosaic of two cell types, one equipped with numerous cilia, the other with extensive microvilli (a). On detailed examination (b), the bundles of long cilia are mixed with slender cellular projections (upper and lower left corners).Back to article page