See Also: portal system(medicine)
renal portal system(medicine)
hypothalamohypophysial portal system(medicine)
hepatic portal system(medicine)
hypophysial portal system(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
Medicine Lodge Memorial Hospital- Medicine Lodge(health)
portal(dictionary)
portal(dictionary)
Portal(medicine)

portal system (medicine)


portal system


A system of vessels in which blood, after passing through one capillary bed, is conveyed through a second set of capillaries before it returns to the systemic circulation. It pertains especially to the hepatic portal system.