Smooth muscle in the hepatic artery, portal vein and hepatic vein within the liver of the raccoon and guinea pig.
The amount and arrangement of smooth muscle in the intrahepatic vessels suggests that the guinea pig would be a good animal model for studying mechanisms controlling intrahepatic portal vein blood flow, while the raccoon would be good for studying hepatic vein mechanisms of control.
D000818:Animals; D006168:Guinea Pigs / Q000033:anatomy & histology*; D006499:Hepatic Artery / Q000166:cytology*; D006503:Hepatic Veins / Q000166:cytology*; D008102:Liver Circulation; D009131:Muscle, Smooth, Vascular / Q000166:cytology; D011168:Portal System / Q000166:cytology*; D011821:Raccoons / Q000033:anatomy & histology*