Derived from the leaves of the broad bean (a dicotyledon), the model uses the main vein to form part of the leaf cross section, with local longitudinal and transverse sections at multiple levels. The model is 450 mm long and 150 mm , and the main vein reaches 200 mm in height. Key features and benefits Realistic, anatomically accurate visualization of broad bean leaf structure for teaching and study. Large, clear design improves visibility for group demonstrations and selfstudy. Durable PVC construction is light, firm, and resistant to deformation; designed for longterm use. Detailed texture work with simulated gully texture in each part enhances realism and aids texture recognition. Comprehensive representation includes epidermis, mesophyll, and leaf veins, plus a crosssection of the main vein. Specifications and structure Model origin: leaves of the dicotyledon broad bean. Main vein used to form part of the leaf cross section; includes both longitudinal and transverse sections at multiple levels. Overall dimensions: 450 mm long, 150 mm ; main vein height: 200 mm. Anatomical details shown Threepart composition: upper epidermis, lower epidermis, mesophyll, and leaf veins. Epidermis details: stratum corneum, epidermal cells, and stomata composed of guard cells. Internal leaf tissue: palisade mesophyll and spongy mesophyll tissue. Vein anatomy: main vein, lateral veins, and fine veins. Main vein crosssection: vascular bundle including xylem, phloem, and intraleaf cambium, surrounded by thinwalled tissue. Material and build quality Material: quality PVC. Properties: lightweight yet sturdy, resistant to deformation, durable for longterm use. Finish: clear texture with accurate surface detailing; fidelity to the natural leaf structure. Applications and use scenarios Classroom teaching and group demonstrations in biology or plant science courses. Selfstudy, revision, and exam preparation for students learning leaf anatomy and vascular biology. Laboratory demonstrations or presentations to illustrate vascular structure and leaf tissue organization. This description preserves the original model's brandspecific details, specifications, and functional purpose while presenting them in a concise, customerfriendly format.