Assertion: portal vein | /r/AtLocation | capillary
Facets:
Source sentences:
text: Portal veins also originate in capillaries, but their branches decrease in size to pass through another set of capillaries before joining more typical veins on their way toward the heart.
text: Portal veins also originate in capillaries, but their branches decrease in size to pass through another set of capillaries before joining more typical veins on their way toward the heart.