Porta

n.

1.

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

Noun

1.

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

anus, aortic orifice, arse, arsehole, asshole, blastopore, cardia, cervix, cervix uteri, external orifice, fenestra, fontanel, fontanelle, introitus, mouth, naris, opening, orifice, os, passage, passageway, porta hepatis, pylorus, rima, soft spot, spiracle, stoma, urethral orifice, uterine cervix, vent