…It begins in middle age and progresses gradually. The three main symptoms are muscle rigidity, decreased voluntary movement, and tremors. The face becomes less expressive and takes on a peculiar appearance (mask-like face). The patient may adopt a stooped posture and suddenly jog when walking. … *Some of the terminology that refers to "mask-like facial features" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…中年以後に発症し徐々に進行するもので,筋硬直(こわばり),随意運動の減少,振戦(ふるえ)が三大徴候である。顔面の表情は乏しくなり,特有の顔貌を呈する(仮面様顔貌)。前かがみの姿勢をとり,歩行時急に小走りになることもある。… ※「仮面様顔貌」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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