Villi (click for close-up to see goblet cells and epithelium) Lacteal Villi capillaries Lamina propria (grey) Muscularis mucosae Myenteric plexus (yellow) Submucosal plexus (yellow) Lymphatic nodule Brunner's (mucous)gland Circular layer of muscularis externa Longitudinal layer of muscularis externa Simple squamous epithelium of serosa Crypts of Lieberkuhn (intestinal glands)