vena rectalis vena radialis • vena renalis · · · Info · Definitions · Synonyms · Characters · · vena rectalis · · Text Common · · Latin · · Scripts 13 · · Length 5 · · Syllables Definitions · · · (noun) any of several veins draining the walls of the anal canal and rectum. Synonyms: hemorrhoidal vein, rectal vein, vena rectalis. · · Noun Definition 1 Synonyms · · · hemorrhoidal vein · · Synonym 1 rectal vein · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 v latin small letter v U+0076