Bulbar palsy - Kyuumonami

Japanese: 球麻痺 - きゅうまひ

Paralysis caused by damage to the motor nuclei of the medulla oblongata. The word "bulba" is a colloquial term for the medulla oblongata, which contains the cranial nerve nuclei that control the movement of muscles such as the tongue, pharynx, palate, and larynx. Damage to the medulla oblongata often causes problems with chewing, swallowing, and even articulation. Progressive bulbar palsy accompanied by significant atrophy of the tongue is a typical example, but acute bulbar palsy caused by bleeding or inflammation in the medulla oblongata is often fatal. Bilateral brain damage above the medulla oblongata can also cause similar symptoms, but there is no atrophy of the tongue, and it is distinguished as pseudobulbar palsy.

Source : Heibonsha Encyclopedia About MyPedia Information

Japanese:

延髄の運動核の障害による麻痺のこと。球は延髄の慣用語で，舌，咽頭(いんとう)，口蓋，喉頭(こうとう)などの筋の運動を支配する脳神経核があるため，延髄の損傷でしばしば咀嚼(そしゃく)，嚥下(えんげ)，さらに構音の障害をきたす。舌の著明な萎縮(いしゅく)を伴う進行性球麻痺はその典型的な例であるが，延髄の出血とか，炎症による急性の球麻痺は致命的となることが多い。延髄より上部の両側性脳損傷でもよく似た症状を呈するが，舌の萎縮はなく，仮性球麻痺として区別する。

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