door, gate

gate or door.

Latin = a gate, also Latin portare = to carry; hence, the portal system carries venous blood from the alimentary tract to the porta hepatis; adjective - portal.

The foramen of Monro.

See anter (Obs.)

The part of the liver or other organ where its vessels and nerves enter; the hilus.

an aperture or hole opening into a bodily cavity; "the orifice into the aorta from the lower left chamber of the heart"