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.
ID
http://purl.bioontology.org/ontology/MESH/D011168
altLabel
Portal Systems
Systems, Portal
System, Portal
AQL
AB AH CH CY DE DG EM EN GD IM IN IR ME MI PA PH PP PS RE SU UL VI
cui
C0032717
DC
1
definition
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.