Lima bean leaf structure model makes a great teaching and demonstration model, and is ideal for students, teachers, and medical professionals Leaf structure magnified 45x, allowing for detailed examination of vascular bundles, such as xylem, phloem, and the veins Accurate depicts the transverse and longitudinal sections, including the upper and lower dermis Surfaces display stomas and guard cells, and the mesophyll includes palisada parenchyma and spongy parenchyma Constructed from durable PVC