げんぱつせいそくさくこうかしょう 原発性側索硬化症 LinksSentence search for 原発性側索硬化症Sentence search for げんぱつせいそくさくこうかしょうKanji details for 原, 発, 性, 側, 索, 硬, 化 and 症Edit in JMdict Noun1. primary lateral sclerosis; PLSMedicine Discussions Log in to talk about this word.