脊髄性筋萎縮症 せきずいせいきんいしゅくしょう Meanings Noun spinal muscular atrophy; SMA Kanji 脊 spine. Read as セキ. 髄 marrow. Read as ズイ. 性 nature. Read as ショウ. 筋 muscle. Read as キン. 萎 wilt 縮 shrink. Read as シュク. 症 symptom. Read as ショウ. Word lists Medicine Jinuma: Japanese Dictionary · Word lists