Micrograph of a transversal section of the appendix illustrating the mucosa, submucosa, muscularis externa and serosa

Low magnification image of the appendix showing the lymphatic nodules in the mucosa and submucosa, the adipose tissue in the submucosa, the two layers of smooth muscle cells in the muscularis externa

Low magnification image of the transversal section of the appendix illustrating the epithelium, the intestinal crypts, the lymphatic nodules in the mucosa and submucosa and the layer of adipocytes in the submucosa

Low magnification image of a transversal section of the appendix at the level of the muscularis externa showing myenteric plexi embedded within the two muscle layers

Micrograph of the mucosa of the appendix illustrating the lumen, the single columnar epithelium and intestinal crypts

Micrograph of a lymphatic nodule within the mucosa of the appendix

Micrograph of a transversal section of the appendix at the level of the muscularis externa

High magnification image of the simple columnar epithelium lining the lumen of the appendix

High magnification image of the simple columnar epithelium lining the lumen of the appendix

High magnification image of a myenteric plexus embedded in the muscularis external layer of the appendix