Innovative Grade US Origin Porcine Liver Qty 1 - Innovative Grade US Origin Porcine Liver from Innovative Research is collected on a custom basis from US Origin abattoir animals located in the United States, ensuring the highest-quality material is provided. Options Include Standard liver only, Arteries/Veins liver, arteries and veins, Gallbladder liver, gallbladder, Gallbladder/Arteries/Veins liver, gallbladder, arteries, veins, and connective tissue, Gallbladder/Pancreas liver, gallbladder and pancreas, Gallbladder/Stomach liver, gallbladder, stomach, small intestine section with bile ducts intact, Gallbladder/Bile Ducts liver, gallbladder, a small intestine section with bile ducts intact, Gallbladder/Pancreas/Duodenum liver, gallbladder, pancreas, and duodenum, Spleen/Kidney/Veins liver, spleen, left kidney, splenic and portal veins, left renal vein, and inferior vena cava. This product is available fresh or frozen.