portal circulation — Physiol. blood flow in a portal system. [1870 75] * * * portal circulation, the part of the systemic circulation that carries blood from the stomach, pancreas, small intestine, and spleen to the liver … Useful english dictionary
portal circulation — This is a type of circulatory bypass used when substances in blood or fluid need to be kept out of the general flow. A portal system begins in capillaries and ends in capillaries, and nothing leaves it undocumented. The hypothalamus sends… … Herbal-medical glossary
portal circulation — Physiol. blood flow in a portal system. [1870 75] * * * … Universalium
hepatic portal circulation — portal c. (def. 2) … Medical dictionary
portal system — n a system of veins that begins and ends in capillaries see HEPATIC PORTAL SYSTEM, PITUITARY PORTAL SYSTEM * * * a vein or group of veins that terminates at both ends in a capillary bed. The best known is the hepatic portal system, which consists … Medical dictionary
Portal hypertensive gastropathy — Classification and external resources Image of portal hypertensive gastropathy seen on endoscopy of the stomach. The normally smooth mucosa of the stomach has developed a mosaic like appearance, that resembles snake skin … Wikipedia
hypophysial portal circulation — hypophysioportal circulation hypothalamo hypophysial portal system … Medical dictionary
portal — 1. Relating to any porta or hilus, specifically to the porta hepatis and the p. vein. 2. The point of entry into the body of a pathogenic microorganism. SYN: port. [L. portalis, pertaining to a porta (gate)] … Medical dictionary
portal — I. noun Etymology: Middle English, from Anglo French, from Medieval Latin portale city gate, porch, from neuter of portalis of a gate, from Latin porta gate more at port Date: 14th century 1. door, entrance; especially a grand or imposing one 2.… … New Collegiate Dictionary
circulation — circulable /serr kyeuh leuh beuhl/, adj. /serr kyeuh lay sheuhn/, n. 1. an act or instance of circulating, moving in a circle or circuit, or flowing. 2. the continuous movement of blood through the heart and blood vessels, which is maintained… … Universalium