This model consists of: a complete villus, a longitudinally sectioned villus showing the arterioles and venules, and a sectioned villus to show the lymphatic vessels.The model also includes a longitudinal section of the Lieberkühn crypt. Intestinal villi anatomical model: The intestinal villi model is greatly enlarged, allowing students to study the anatomical details clearly. Function: The model helps to understand how the villi of the small intestine have a thin wall (about one cell thick), a large surface area and a rich blood supply;making them specialized for absorption. Laboratory Supplies: PVC material you don't have to worry about students breaking it, so it will be a great addition to your laboratory supplies.Ideal for school teaching tools, learning display and collectibles. Where to use it: The human liver anatomy model is a perfect display for patient education in a doctor's office or healthcare facility.It can also be used as a teacher's prop for classroom demonstrations.Use this in place of an anatomy poster.