Liver models are anatomical, educational, or preclinical tools designed to represent human liver anatomy and pathology. Standard anatomical, life-size, or slightly magnified models are constructed from durable PVC or fiberglass, featuring 4 lobes, the gallbladder, and vascular structures (portal vein, hepatic artery). These typically weigh 0.35–1.2 kg and are used for medical education. 

General Anatomical Model Specifications:

• Dimensions: Approx. 18x18x12 cm, or 20.5 x 14.5 x 18 cm.
• Material: Non-toxic, durable medical-grade PVC or Fiber.
• Weight: Approximately 0.35 kg to 1.2 kg.
• Features: Life-size or 1.5x life-size, 4 lobes, gallbladder, hepatic vessels (portal vein/artery).
• Optional Features: Some models show cirrhosis, tumors, or include attached pancreas/duodenum.
• Mounting: Generally mounted on a plastic base/stand for display. 

Microanatomy/Specialized Models:

• Scale: Highly magnified (e.g., 60x to 200x life-size) to show cellular-level structures.
• Use: Detailed, two-part models focusing on liver lobules and vessels.