nephron nephromere • nephroncus · · · Info · Definitions · Synonyms · Characters · · nephron · · Text Latin · · Script 7 · · Length 2 · · Syllables Definitions · · · (noun) any of the small tubules that are the excretory units of the vertebrate kidney. Synonyms: uriniferous tubule. · · Noun Definition 1 Synonyms · · · uriniferous tubule · · Synonym 1 Characters · · e latin small letter e U+0065 h latin small letter h U+0068 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072