十じゅう二に指し腸ちょうじゅうにしちょうFreq.FrequencyTop 50,000じ字FuriganaMeanings1noun, noun which may take the genitive case particle 'no'duodenumanatomy›Anatomical term for the first part of the small intestine, immediately after the stomach.十じゅう二に指し腸ちょうは胃いのすぐ下したにある。