Figure 11From: Ultrasonography of the spleen, liver, gallbladder, caudal vena cava and portal vein in healthy calves from birth to 104 days of ageUltrasonogram of the portal vein. Ultrasonogram of the portal vein viewed from the right in an 83-day old Holstein-Friesian calf. 1 Abdominal wall, 2 Liver parenchyma, 3 Portal vein, Ds Dorsal, Vt Ventral. (depth of the image = 12 cm).Back to article page